An incest oneshot where a brother and sister share a room with bunk beds. They both are masturbating late at night, I think the sister is masturbating to her brother not to sure. Anyway they end up having sex and I believe they get a little scare as their mother walks past there room from the bathroom.

Reality is a momentary dream but a dream is a reality for an eternity.

try one of these
[url]http://www.mangaupdates.com/series.html?perpage=50&genre=Hentai&exclude_genre=Doujinshi_Drama_Gender%20Bender_Harem_Horror_Martial%20Arts_Mecha_Mystery_Sci-fi_Shoujo%20Ai_Shounen%20Ai_Smut_Sports_Supernatural_Tragedy_Yaoi_Yuri&filter=oneshots&category=incest&orderby=rating[url]

and this should be in adult section

he's looking for a specific story i believe and if I'm correct it's in Kisaragi Gunma's Love Selection book, I don't know the specific chapter but there is a story like that in that book, though I may be wrong and he's looking for something else entirely.

It was in Love Selection. Thank you.

Reality is a momentary dream but a dream is a reality for an eternity.