Plot: Garou had died in his old world but would find himself reborn in a new world where he finds out about Mato a mysterious dimension that appeared with demonic creatures Called Shuuki's and the peaches that only give women powers Garou saw how low men have fallen and was disappointed the human monster would train and would go on to make a name for himself as a male who was capable of killing Shuuki's with just his bare hands and martial arts alone men went to Garou to learn from him with said unaware of what he had started as men from around the world became encouraged to become strong as well Garou would met a woman by the name of Elizabeth they would get to know each other and later down the line would get married giving birth to their child one of them being a boy Y/N with everyone understanding that Y/N wasn't a monster NO he was a demon in human skin being able to understand and master his father's martial arts and would create his own and just like his father the boy would go on to make a name for himself as the demon of humanity then the boy would get himself involved in a Mato disaster where the young man would slaughter many Shuuki's that stood before him it was a sight that catches on how Y/N fights the seventh unit came and began to help with the evacuation and killing the Shuuki's but then a bigger horde of Shuuki's and Y/N was about to attack but the girls trying to stop which started an argument but then Kyoka came and told Y/N about her ability and seeing that the girls of the seventh unit weren't going to let him he agrees to become a slave to the girl's ability after that Y/N would introduce himself making the seventh unit realize who Y/N is and who he is related to

Name: Y/N Kawa
Hair color: White
Eye color: Purple
Gender: Male
Race: Japanese. Human. Megumareta(Via Kyoka). Martial artist.
Age: 20
Vital status: 22
Appearance:

Occupation: Slave of Kyoka Uzen(Via ability). The seventh unit. Demon hunter. Big brother. Boyfriend.

Affiliations: The Kawa Family. The Anti-Demon Defense Corps.

Tags:
1. Mato Seihei No Slave
2. Romance
3. Male Reader
4. Harem
5. Garou
6. Love
7. Isekai
8. Fluff and smut
9. Original Characters
10. Blood and gore
11. Martial arts
12. Superpowers
13. The eight gods of thunder
14. The Anti-Demon Defense Corps
15. Determination
16. Magic
17. Wholesome