When inside the room with Kaki and Hamagishi and Tatsuya had a call from their parent saying that they want to meet their sweet Daughter Hamagishi and he go past the phone to her and talk to them.
Tatsuya: Hamagishi mom and dad want to speak to you on the phone
Hamagishi: okay
While Hamagishi was talking on the phone with Tatsuya parents and they seem really happy for her to be part of Tatsuya parents she love them and she had a smile on her face.
Kaki: she seems happy about your parent
Tatsuya: yea she does but are you sure you won't don't come with me along on the mission
Kaki: I don't want to come because I am an idol
Tatsuya: okay fine but if there is anything I'm coming for you
Kaki: okay
After an hour later Hamagishi had done talking to their parent and she give back the phone to Tatsuya and they want to talk to their son.
Hamagishi: Oniichan they want to talk to you?
Tatsuya: okay and pack your belong and ask Kumi for the permission
Hamagishi: okay Oniichan
In the meantime, went Hamagishi left the room and she go back to her dorm and packed her staff or belonging to follow him on the first-ever mission with Tatsuya.
Tatsuya: hello dad?
Dad: son went you come here with your sister make sure to protect her at all cost
Tatsuya: of course father
Dad: mom want to talk to you now
Later Tatsuya father pass the phone to Tatsuya mother and she speak with her son and said to him was.
Mom: sweetie if you had arrive in Korea make sure she is always by your side at all
Tatsuya: okay mom and dad I will protect her but went can we see you after your mission finish
Mom: maybe around that timing
Tatsuya: okay see you soon
They ended their call and Tatsuya packed the staff he need to bring some bullet armour to protect him from hitting some bullets and bring an extra gun just in case.
Meanwhile, back at the Hinata dorm where everyone can see that Hamagishi is bringing her bag and a suitcase and went everyone asks her why did you bring a suitcase along with her.
Tomita: Hamagishi you want to leave us?
Hamagishi: no is suitcase is I am going to Korea with my brother Tatsuya on his trip
Kawata: since when you had a brother
Hamagishi: since just now I meet him and his girlfriend as well
Kumi: I will allow you to go on your trip to Korea with your brother and make sure to be back here when the trip is over
Hamagishi: of course, I will Kumi and later guys
When she push her suitcase and she went back to the Tatsuya room and see that he was ready and he get some van and she put her suitcase inside the van and while Kaki get some kiss on his cheek and we off to Korea and visit Tatsuya parents for the first time ever in her life.
Finally, Tatsuya arrive in Korea with Hamagishi and she look at the window and see that the city is not in Japan anymore but it was in Korea she asked me where did we sleep for a night.
Hamagishi: Oniichan where did we sleep?
Tatsuya: we sleep at my mansion house near Busan
Hamagishi: what is Busan?
Tatsuya: oh is the city name
When Tatsuya drove to the Busan near the mall and his car went to the VIP parking and see them are ready to open the van door for us.
Tom: sir welcome back
Tommy: yea sir and you bring Hamagishi with you on the mission trip
Tatsuya: yes of course she wants to meet mom and dad
Tom: oh really that's sweet of you to bring her with us
Tatsuya punch his arm and we went inside the mansion house and went to Hamagishi to look at the view around the house and it was bigger than the dance practice in Japan.
Hamagishi: Oniichan your house is bigger than I thought it could be
Tom: sir you need to wear these
Tatsuya: of course, I will right back
When Tatsuya take the suit that Tom give him and he went to the toilet and go change after an hour later Tatsuya came back and we all see that Tatsuya is wearing some kind of mission suit on him.
Hamagishi: Oniichan you are some kind of gentlemen
Tatsuya: thank you but you too have to change as well
Hamagishi: me too?
Later Hamagishi went to the toilet and she go and change went we all can see that Hamagishi are fit and Tatsuya is happy for his sister and we can start the mission.
Back at the NIS headquarter in Korea and Tatsuya and Hamagishi had arrived at the headquarter and went we are there and she saw that mom and dad and they hug her and both of them.
Mom: sweetie you grow up now and look at you now Hamagishi you are a beautiful women
Dad: son have you bring some extra guns on your van
Tatsuya: yes I bring them inside at my van
Later the alarm went off and we all can see that the big mission on somewhere at Jeju island and we all go and catch them Hamagishi must be brave and she always is right beside Tatsuya side.
Mom: let go family
Dad: family?
Tatsuya: mom you embarrassed me
Hamagishi: it's okay Oniichan let go
While they go and take a look and when Tatsuya just running at the mission scene without anyone helping him.
Hamagishi: Oniichan...wait!!
Mom: sweetie what are you doing?
Dad: let him go and take his revenge
Mom: okay Hamagishi wait for your brother
Hamagishi: okay
After Tatsuya was killing them one by one and we all can see that Tatsuya is happy killing the bad agent and his shirt is covered with blood and he is been shot on his arm and have a cut on his cheek.
Tatsuya: I'm coming back
Tom: Welcome back sir
Meanwhile, Hamagishi was running toward him and she hug him and she was saying to him.
Hamagishi: Oniichan Baka!!
Tatsuya: sorry but that hurt Hamagishi
Hamagishi: sorry but Kaki will know that you get hurt because of this
Tatsuya: I know that
Mom: my son had a girlfriend who is she?
Tatsuya: her name is Kaki Haruka
Dad: she is an idol, right?
Tatsuya: yes she does
We are super exhausted and we go back to the mansion house and with Mom and Dad together as an agent family with idol daughter.