Seven Days (Japanese: セブンデイズ, Hepburn: Sebun Deizu) is a Japanese manga written by Venio Tachibana and illustrated by Rihito Takarai. Seven Days was serialized in the quarterly boys' love manga magazine Craft from 2007 to 2009. The story was released in two parts: Seven Days: Monday-Thursday and Seven Days: Friday-Sunday. A live-action film duology adaptation for both books was released in 2015. Source: Wikipedia (en)