It is the story of a high school boy and president of the School Manga Club, Okumura. He claimed that he is not interested in real girls and prefers 2D girls over them. His favorite character is a 2D and has a name called, Lilliel. His mindset changes when a beautiful girl join his club, Ririsa. He became a Photographer and now his mind started to attract toward her. 2.5次元の誘惑