Although he was just a shut-in at home, high schooler Katsumi Shikazuno gets dragged into a class-wide summoning to another world. In the midst of confusion, the god of that world grants him a unique gift called "My Home" — a literal ability to summon his entire house from his previous life into the fantasy world! Intending to enjoy a peaceful NEET lifestyle even in another world, Katsumi is ready to retreat into his comfy home… However, he gradually becomes concerned about the safety of Miku Arisugawa, the only girl from his class who ever truly cared about him.