It all begins with Tomoki and Tsugumi Kirihara, two siblings who have a really "close" relationship, as the history develops more girls will want to have a piece of what these two have to give.
formatMANGA
statusFINISHED
Release dateNov 17, 2006
end dateJul 16, 2011
chapters10
volumes1
genresComedy Hentai
Score52% ❤
RomajiTouzen, Imouto ni wa Naisho de
native当然、妹にはナイショで♥