Virgin guy who lives with his cousins under same roof. Recently his shorthaired cousin, Shiori, have taken liking to someone, she realized that she’s a bad cooker, so she decided to hone her cooking skill and giving him homemade dish made by her someday . But her older sister grows curious, who’s the guy that made her clumsy little sister to go this far just to make him happy?. Turns out that they liked the very same person in their household. The older sister who just realized that, quietly sneaking into mc’s bedroom. Playing with his cock, when mc wakes up, he saw a beautiful succubus in front of him, since he was semi-conscious, he thought that it’s only just a dream.