Mikado x Towa
First Book: Warui Koto Shitai
Second Book: Warui ko demo ii?
Third Book: Warui Yatsu Demo Ii
Fifth Book: Warui Ouji Demo Suki
Extra Book: Warui Series Extra
Shinonome x Yukimura
Sixth Book: Kirai Ja Nai Kedo
Seventh Book: Koi Ja Nai Kedo
Eighth Book: Kare Ja Nai Kedo
Ninth Book: Sunao Ja Nai Kedo
Tenth Book: Himitsu Ja nai kedo
Extra: Warui Koto Bakkashite Gomennasai
Aikawa x Nanao
Eleventh Book: Mujihi Na Otoko
Twelfth Book: Mujihi Na Anata
Thirteenth Book: Mujihi Na Karada
Kousaka x Akagi
Fourteenth Book: Shouwaru Ookami ga Koi wo Shita Rashii
Warui Koibito ja Dame?