Kyoshiro's little sister Ayaka was a popular-selling idol.
As siblings they were once close, but fame had turned her cold.
One night Kyoshiro was lounging around the living room where he found a remote control.
It didn't go to any appliances in the house. When he clicked it, Ayaka
walked into the living room in her underwear.
She was sleepwalking. No... she was being controlled.
It was too hot. Kyoshiro lose his grip on reason for a chance to touch her...

Sleep sex, secrect backstage ecchi, morning paizuri blowjob, school rooftop sex, etc.....

The forbidden SEX DIARY of idol little sister and her brother, in playable ADV format!

[From DLsite English]