Boku to Yandere no 7-tsu no Yakusoku

Zero is a high school student who just decided to work part-time at a maid cafe full of tsundere. Among the maids is Setsuna, a young girl who quickly sympathizes with him. It is the start of a perfect love story! But that will not last, because Setsuna’s love for Zero begins gradually becoming more and more uncontrollable!