IS and Sekirei Brave new world

Request fic. Minato believed that when the Sekirei plan came to an end, his troubles would be over and his life could finally begin. Turns out, the world moves on, boy. Best you do too. His past, among others, is catching up to him and he has to look out for an old friend. Ichika Orimura didn't ask to be sent into an insane school and his single lifeline is an old friend.