Hoshino Heartbeat

Even though Ibuki was beautiful, people called her a "difficult girl" because she never shows any emotion. Her new boyfriend dumped her after just a month, saying "It's no fun to be with you." One day, she witnessed the transfer student, Hoshino-kun, plugging in his body to recharge! He told her that he was an "AI," and in exchange for her silence, he promised her that he would provide Ibuki with the "sweet love" that she always wanted...!? A strange, forbidden love story between an AI and a human begins.

(Source: Dessert Blue, translated)