Osamu Yamasaki

When Chizuru Yukimura comes to Edo-period Kyoto searching for her missing father, she witnesses a bloody murder by crazed members of the Shinsengumi - the shogunate's secret police and supposed peacekeepers.

Franchise combining a real life idol trio and limited animation short stories, with their cartoon alter egos thrown into various bizarre and generally sexual situations. (Source: AniDB)