[Tomohiro Kai] How to Spend a Long Holiday is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Tomohiro Kai. Genres include: Apron (Female), Big Breasts (Female), Cunnilingus (Female), Swimsuit (Female). Part of the Original series. Browse related titles by the same artists, genres and characters below.