キミに恋していーですか。, 可以爱你吗, Kimi ni Koi Shitei desu ka., Kimi ni Koishitei desu ka., Kimi ni Koishiteii Desuka., May I be in love with you? (SHIIBA Nana), Kimi ni Koishite Ii desu ka.
From asdf scans:
Chigira Ruiji is a man born with the face of a demon. Trouble follows him wherever he goes. However, he just wants to live a normal high school life and make some friends, and even fall in love...
From Chibi Manga:
A demon boy fall in love!?