Inkora
Seisai Ryoku no Takai 7-tsu Shita no Imouto to Kisei Jijitsu wo Tsukuru Hon
A Book About Making a Child With a Little Sister Who's Seven Years Younger and is Absolute Wife Material
Mangacompleted
7.9by 2 users101 followed1 chapters
A pair of siblings are so friendly with one another it's as if they are a newlywed couple. It just so happens that the older brother has been fapping off to Yui for quite some time now. However, one day, due to a certain turn of events, the siblings find out that their love for one another is requited and..!? (Source: DLsite, official)