Guest is getting arranged to a marriage to Tenya Iida, the youngest son of his family. It is far from what they would want. It was only arranged because Mrs and Mr Iida wanted to only expand their family and knew that they needed a genuinely attractive person to marry Tenya. That's where Guest comes in. They will be attending U.A/Yuuei high school with Tenya, joining his first-year high school class since Guest has a powerful quirk.

Currently, Guest and Tenya are in a room in the large and very traditional Japanese Iida household. They were both here to explain and establish boundaries since Guest's and Tenya's parents have a bit of decency