(Highschool DXD X Kamen Rider Dark Decade OC X My Hero Academia)

Description: Taiga Midoriya was a neglected child of the Midoriya family as both his mother and U.A. High focused only on Izuku. This led him to leave the house and suddenly he is visited by George Karizaki, who gave him the Dark Decadriver with some Rider Cards and warned him about the existence of supernatural beings. Now Taiga seeks to destroy all heroes and supernatural alike.

Main Character: Taiga Midoriya/Kamen Rider Dark Decade

Forms:

All Heisei Riders (including secondary riders and some extra riders.)

All Showa Riders

Side Characters/Allies:

Kira Hyoudou/Kamen Rider Demons: He started despising his brother Issei for joining Rias and her peerage.

George Karizaki

Momo Yaoyorozu (part if Kira's harem)

Kyoka Jiro (same as Momo)

Aine Chidorigafuchi (same as Momo and Jiro)

Stella Vermillion (same as Momo, Jiro and Aine.)

Harem:

Class 1-B Girls

Nejire Hado

Mei Hatsume

Melissa Shield

Mt. Lady

Mirko

Midnight

Ryukyu

Lady Magant

Camie Utsushimi

Enemies:

Dekusquad

Bakusquad

All Might

Rias' Peerage

Sona's Peerage

Riser's Peerage

Team Vali

Khaos Brigade

Three Factions

Pro Heroes

League of Villains