Mecha Mote Honey

Taken from Shoujo Manga Maniac:
Whenever she sees a boy of her type, Ai gets excited and reckless. Because of this animal instinct, she hasn’t had a boyfriend for fifteen years. However, Daiki, the most handsome student, wants to date her. She thinks that if she missed this chance, no one would be waiting for her any more. Is it her last chance!?