Seducing Spirits

Miko Yotsuya is a high school student who somehow gained an ability to see spirits which others can't and she pretend not noticing them so they leave her. However two wandering spirits, a male and female, took interest in Miko's brother, Kyosuke, and her friend Hana Yurikawa, and possessed their bodies and indulged themselves in sensual activities which Miko is now in a bind.