The Devil Does Exist: Volume 1 — Mitsuba Takanashi

Shy Kayano finally works up enough courage to confess her feelings to the handsome Kamijo in a love letter. When the letter is intercepted by the notorious Edogawa Takeru--the devilishly handsome son of the school's principal--she is appalled, but even worse is her mother's engagement -- to principal Edogawa! Now Kayano will have to live with this devil Takeru 24/7! How will she cope with this "living hell"? Age 13 and up.