Shadow Monarch (Solo Leveling x HsDxD)

Enter Kazuki Tanaka, your regular high school student. Life has always been the same, eat, sleep, school, etc and repeat. That was until a fallen angel attacked him while he was taking a stroll. He was about to die until... ---- Notes: I will change some aspects when it comes to Solo Leveling, you are going to see things such as dungeon creation, observe, etc. - This is not a "Betrayed" book - Rias will not be a pain in the ass - There will be a lot of violence -There will not be a harem -Constructive criticism is accepted You may also see some appearances of characters from other anime and Manhwa. This was originally published on Wattpad and Yes, this is MY story.