Kyou kara Kanojo ni Narimashita.

"I'll die if I don't have a boyfriend!" Izumi cries out, and by chance she ends up dating the handsome secretary-general of her club. Izumi, a romance novice, is constantly thrilled when her boyfriend, Genma, treats her like a girlfriend. However, Genma's true nature is that of an ultra-carnivorous man...?!

(Source: Shogakukan, translated)

Notes:
- Includes the one-shot "Suki Datte Iwanai Kuse ni (好きだって言わないくせに)".
- Includes the one-shot "Boku wa Maiko no Neko (ボクはマイコの猫)".
- Includes two extra chapters.