Tony has been needing a new cook, and who better than this random kid and his cosplaying cat who just saved his armored butt from becoming a stain on the pavement!

Raised by Father Fujimoto, Rin Okumura never knew her real father. Now that she knows the truth so does every other demon and they are after her! To prevent this Fujimoto sends her off to live in America, where friends will care for her and teach her to fight. Away from the Order that would use her as a weapon. Fem!Rin

When Rin is betrayed by those he holds dear, what will he do? Why strike a deal with Mephisto of course! In exchange for killing Satan, Rin gets another shot to save Shiro and change Yukio's view of him. But Rin gets the feeling that Mephisto is holding out on him, and it might just change everything. Multi-verse with Naruto, Harry Potter, Avengers, NCIS and more Fem!RinxTony Stark

When Rin is betrayed by those he holds dear, what will he do? Why strike a deal with Mephisto of course! In exchange for killing Satan, Rin gets another shot to save Shiro and change Yukio's view of him. But Rin gets the feeling that Mephisto is holding out on him, and it might just change everything. Multi-verse with Naruto, Harry Potter, Avengers, NCIS and more Fem!RinxTony Stark

This is the ULTIMATE crossover! Sherlock, Warriors, Blue Exorcist, Supernatural, Doctor Who, Black Butler, Ghost Hunt, InuYasha, Creepypasta,Avengers and more!