Plot: Y/N Wakura is a young man who lives a pretty much an ordinary life the young man already has a bright future ahead of him as a pro wrestler however fate had other plans and the black haired boy finds himself in a facility called Chaldea an organization that was created and is led by mages who were diligently in order to protect pan human history unfortunately things go from going smoothly to a complete disaster with Y/N being able to save Olga before the explosion and the young man finds himself transported into Japan Fuyuki however the boy see the entire city is on fire however the boy was able to reunite with mash who would then become his servant and was also able to reunite with other masters who were able to travel back into the past with him along with Olga however the group found themselves being overwhelmed by the enemies then suddenly out of nowhere a mysterious object that was the size of a keychain that that Kyoka Uzen carried around with her suddenly turned into a large golden collar that had golden spikes protruding out of it and a long chain as well The object suddenly out of nowhere latched itself onto the Wakura boy's neck making him into a slave and because of the boy the group were able to survive it was then group would realize that they are the only ones who stand in the way of humanity, being completely destroyed and other terrifying beings trying to destroy it will this rag tag team be able to save humanity or will they fail and everything they know destroyed?

Name: Y/N Wakura
Hair color: Black
Eye color: Black
Gender: Male
Race: Human
Age: 18
Vital Status: Alive
Appearance:

Tags:
1. Fate/Grand Order x Mato Seihei No Slave
2. Romance
3. Male reader
4. Harem
5. Heroic spirits
6. Love
7. Time travel
8. Ecchi
9. Martial arts
10. Machine gods
11. The epic of remnant
12. Goetia
13. Demon god pillars
14. Cosmos in the lost belts
15. The eight gods of thunder
16. Blood and gore
17. Depression
18. Original Characters