QQ Sweeper

Kyutaro Horikita, a tall and striking student at Kurokado High known for his cleaning skills, discovers Fumi Nishioka, a girl asleep on school grounds. Their chance meeting does not go smoothly. Kyutaro possesses the ability to remove negative energy from people’s hearts, a role referred to as a "Sweeper." As a result, Fumi is chosen to train under him as his apprentice.