Kurosaki Ayano is a popular, talented and good-natured schoolgirl. However, she has a hidden naughty side. She has a perverse fetish for collecting videos of herself indulging in pleasure. No matter who the partner is, she engages in any intense play. The protagonist accidentally sees one of those videos, becomes fascinated by her lascivious acts, and can't take his eyes off them.

[From official site]