In a world where Mana, Magic, Martial arts from movies and some characters of movies, novels, anime, manga, cartoons, hentais, games, eroges began appearing because of mana.
Jack was a boy who loves video games. He who first played when he was just 1 year old unlocked his talent at playing video games.
[ Has some perverted R-18 things, words or actions but no X-scenes... Probably??? I don't know. Warning!!! To those pure-minded please try to protect your mind from being dirty. Hehe. ]
