A man reincarnates in the body of a boy who suffered a tragedy, only to realize that he is in the world of My Hero Academia. What's even stranger is that his quirk seems to have the abilities of Nen and Haki.
Divine mistake or godly entertainment, it might be more entertaining for Gin Freecs if she wasn't the one being played around. Because if there's one thing this cruel world teaches, it was self-preservation. Unfortunately, she just can't seem to get her head around it. (Rated M for profanities, deaths and Hisoka. Unedited - read at your own risk)
Killua gets transported into the world of Shield Hero and proceeds to ruin its entire plot with the help of Hajime (Arifureta), Kazuma (Kono Suba) and Goblin Slayer. (Later chapters become more serious, which includes some violence and tragedy.)
Gon and Killua find themselves in Japan, so they need to find a Quirk that can send them back home from this unfamiliar world. They enroll in U.A. Academy's Hero course in hopes of using its connections, but what happens when everything they need is in someone else's hands? Being powerful doesn't mean anything if they are still powerless.
In which Konoha's beloved jinchūriki finds herself in an odd new world with only Kurama by her side. He insists bijū bombs are the only way to fix this issue. OP characters doing OP things. -COMPLETE-
Another Killua ends up in the MHA world. Hohoho, how will this turn out? [part 2 is complete, on hiatus for part 3]