Volume 1 Kimi ni Koisuru Hazu ga Nai
Kitaoji, an elite salaryman, yearns for a shoujo manga-like love. But he’s paired up with Arima, a guy he doesn’t get along with. Will Kitaoji’s earnest wish come true one day…?

Volume 2 Kimi ni Koi Suru Hazu ga Nai -Tokimeki Hen-
Kitaoji, a handsome salaryman who's also a shojo manga otaku, has become lovers with his colleague, Arima. He is so madly in love with the cool, strong and cute Arima that he ended up seeking Arima out too often at night. Just when he thought he really should restrain himself and started to do so, Kitaoji found out that Arima has been lying to him and avoiding him!?

Volume 3 Kimi ni Koisuru Hazu ga Nai - Romance Hen -
Kitaoji, an elite salaryman who loves shoujo manga, is going out with his quiet and manly colleague, Arima. The moment they started talking about moving in together, Kitaoji has to go on a long-term business trip to Osaka!?