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I can't breathe there's something heavy on me. Moving my hands around aimlessly I felt two soft and bouncy things.

Feeling the two things in my hands I felt the heavy thing getting off me.

As the heavy thing was getting off me I heard a slight moan and a woman's voice as the heavy thing got off me and I could finally breathe once more.

"Oh, how bold, we barely just met and you're already cupping a feel, fufu."

Hearing that voice had reminded me of an anime character, from an anime I once watched about a dragon maid and her unrequited love, and once the heavy thing finally got off my body I saw the anime character I was thinking of.

There what stood before me was a tall naked woman with fair-skinned and hourglass along with enormously large breasts. She has long, wavy blonde hair that takes on turquoise and green color at the ends along with her heterochromia eyes, by her having her left eye navy blue while on the outside her right eye is green on the outside with designs and black on the inside with a yellow, slit pupil.

Seeing this woman in front of me made me confused but as I was thinking about what was going on I started to get a headache and memories of my new life started to fill my head and not much to my surprise I found out that now my soul is inside the body of Shouta Magatsuchi.

The headache didn't last long as the memories were quick flashes in my head but from them, I understood the Shouta Magatsuchi body I'm in now is a different Shouta Magatsuchi from the manga or anime as he's 15, looks like Kanato Sakamaki and it seems that this Shouta Magatsuchi is obsessed with ritual magic and is a genius in them as well.

It also seems that as this Shouta Magatsuchi was summoning a high-level demon as a test from his father he failed thanks to Quetzalcoatl/Lucoa intervention leading him to suffer a backlash because unlike his manga counterpart this Shouta Magatsuchi had made preparations against any to all evil demons he might summon and tied everything to his magic to boost the ritual power but as Lucoa who isn't a demon but a dragon and with her forcefully letting herself be summoned along with her power exceeding the rules and power level of what the summoning ritual allows made an error occurred leading to this Shouta Magatsuchi death by magical backlash thanks to him technically failing in the summoning ritual and as for why Lucoa was on me when I woke up and not noticing the magical backlash along with my soul taking over this body was because she happened to trip onto the old Shouta Magatsuchi as he was suffering from the backlash making her confused the backlash for him suffocating under her enormously large breasts and by the time she got off of him it was too late to notice what happened to Shouta Magatsuchi leaving me in his body making me into the new Shouta Magatsuchi.

After the headache passed I looked at the naked Lucoa and remember that the summoning ritual the old Shouta Magatsuchi was doing was an advanced familiar summoning ritual making Lucoa his familiar but as her power exceeds what the ritual allows letting her fight back or more like crushing the ritual magic allowing her to break the ritual magic contact or ignore any effects from the ritual magic has on her meaning he just summoned her with no benefits as long she doesn't want to do anything that is.

Looking at Lucoa I saw she had her eyes now closed but I didn't mind as she doesn't need them open to see so I started to talk to her while trying to sound as confident as possible, trying not to fanboy all over her, and trying to control my lust after seeing such a beautiful naked woman, as this body is in the middle puberty and it seems that the old Shouta Magatsuchi been having wet dreams lately it quite had to keep myself in check.

"Hello, I'm Shouta Magatsuchi, I'm the one who summoned you to be my familiar." Shouta

After I finished my awkward introduction Lucoa smiled and started to talk/teasing me as she starts to introduce herself after she formed clothes on herself to make me less nervous.

Seeing her actions I felt a little relieved as Lucoa at least is trying to be thoughtful of me and thanks to that I can focus more on her than just on her body as it was distracting.

"Ara ara, what a cute new master I have, I'm Quetzalcoatl but you can call me Lucoa." Lucoa

Hearing Lucoa's introduction and calling me master I felt a little embarrassed but I didn't stop her as I always wanted to be called one because it makes me feel like I was somehow raised in nobility despite not being part of one, it seems to be a kiddish reason but hey reason enough to be called one by a beautiful woman.

After getting over my slight embarrassment I started to joke with Lucoa as I don't have anything to do other than waiting for my new mom and dad to come home and introduce Lucoa to them, I also need to tell them I failed the test, I'll probably need to do another ritual later.

"Okay, it's Lucoa then, also I didn't expect to summon such a beautiful succubus such as yourself, are you going wait until I'm asleep to attack me or something?" Shouta

"Fufu, master you must jest I'm not a succubus, and if we are talking about attacking aren't you the one doing the attacking seeing how you groped my breasts when we barely met." Lucoa

"Haha, now we both know that wouldn't have happened if you didn't "accidentally" trip on me." Shouta

After I said that we both started an argument or more like started a teasing battle where I accused Lucoa of being a succubus and me being accused of being a little pervert, as we talked I noticed something at the corner of my eye as I looked at Lucoa but I didn't bother with it and kept on going with the teasing battle until my new parents came home and walked into the living room where I was holding the summoning ritual seeing me and Lucoa teasing each other.

My mom seeing this joined in on Lucoa side as she's calling me a little lady killer while my dad looks at Lucoa for a second before giving me a thumbs-up before join my mom making me embarrassed beyond belief and Lucoa seeing my embarrassment laughs joyfully before my parents join in the laughter.

After they stopped laughing mom and Lucoa went to get dinner ready as my dad stayed behind and stopped smiling and looked at me seriously before talking to me.

In my new memories, it seems this dad of mine was uptight and strict when it came to magic but a jolly guy otherwise as magic is a dangerous art that has no room for mistakes and it can never be underestimated so he often lectures me relentlessly when I make a mistake in magic.

It seems that he noticed that I failed the test and is ready to scold me about the results of the summoning as I didn't summon a demon as a familiar but a dragon instead.

"Son, I know I was the one who told you to summon a demon but a succubus? Ha, I guess you're at that age and now I guess it's time for the talk so I need you to listen to me, it might be embarrassing to hear it from me but it's important." Dad

"No no no, I already know the talk stop it." Shouta

"Oh, don't be embarrassed this isn't the school version of the talk, as well we as mages have more to talk about this subject now listen or I'll take away all of your magic supplies." Dad

After dad said that he started to talk to me about sex, the opposite and same gender, how to use magic during sex, and what to do with different races like Demons, Yokai, and other stuff while I can swear I can hear Lucoa and my mom laughing at my current situation, they are probably listing in while peeping at me.

It took my dad an hour and a half to finished the talk and I want to die now.

Once the talk was over my mom came in acting like she didn't hear anything or saw what just happened and told us that dinner was ready.

Hearing dinner was ready dad got up like he didn't just spend over an hour talking about sex to his son he went to wash his hands to eat.

See how my parents act I gave up and tried to stop feeling embarrassed but couldn't stop feeling embarrassed maybe it's because of this body that is affecting my mind or soul as I never got embarrassed this easily in my past life.

After getting over my embarrassment after a while I went to eat with everyone after I washed my hands.

As we eat Lucoa who wanted to tease me started to feed me, while she was doing that my mom laughed at me, and dad just acted like he doesn't see anything.

Seeing how things are going I gave up and let Lucoa feed me but whenever she made the Aaa gesture to feed me I stuffed food in her mouth while I eat the food she tries to feed me with.

I thought doing that Lucoa might give up feeding me but she took it in strides enjoying herself while my mom kept laughing at us but now she has her phone out taking pictures as my dad stayed the same throughout the current events.

My family dinner ended up as a feeding battle between Lucoa and me and by the end of it, my mom had to change the memory card on her phone while I got a notification on my phone that my mom posted something on her story and I can guess what it is about so I left it be as I can't stop her.

Once dinner was finished and the table was cleaned and I left for my room to sleep as Lucoa followed behind me entering the room with me.

Seeing her enter with me I didn't stop her as I know she'll just sneak in later if I stopped her.

Once we were completely in my room I looked at Lucoa but this time I forced on the thing that's on the corner of my eye and when I did a scene popped up in my head showing the following.

--- Quetzalcoatl/Lucoa ---

Relationship:

(<-) Familiar 59% (->)

--- ---

Seeing the screen new information popped in my head along with the scene.

It seems that I got a Relationship System that only uses it has is to change the type of relationship I'm in with nothing more nothing less but the system has limits so changing relationships shouldn't be done willy-nilly or it might backfire on me.

Looking at the screen after I went through the information I started to use the system by focusing on the arrows to change the words that represent the type of relationship I'm in with Lucoa.

After looking through the options I landed on Lover because you know, why not, plus if it doesn't work out I can always change it or Lucoa can change it herself, after all, relationship aren't one side things even if I'm able to charge the relationships I'm in by will people still have their own will and can refute or change the relationship we're in, after all, I can't mind control people or lock the relationship status in place unless that said relationship reaches 100%.

After I changed the relationship I had with Lucoa I took off my clothes as Lucoa watches me before going to the bed to sleep with my boxers the only piece of clothing on as it's a habit I formed in my past life.

Lucoa seeing my actions also followed along and got undressed just leaving her panties alone on her body before hugging me as she went to sleep after she turned off the lights in my room.

Seeing her actions I know the system might have worked seeing it's Lucoa it's kind of hard to tell and that I'll probably wake up with morning wood and she'll probably tease me about it.

While I was thinking about what awaited me the next morning I felt a sudden warmth and that gentle hug she gave me quickly made me fall asleep as I melted in it while I felt two big round things press on me, it seems sleeping with Lucoa will become a guilty pleasure of mine from now on if this keeps on.

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Notes:

MC is Shouta Magatsuchi from Miss Kobayashi's Dragon Maid: Manga/Anime but looks Kanato Sakamaki from Diabolik Lovers: Otome Game

Quetzalcoatl/Lucoa is a secondary character from Miss Kobayashi's Dragon Maid: Manga/Anime