Rindo is a naughty boy who never knows when to stop but is also naive and sassy about school-age love because he studies at a boys' school and has never seen girls at close range.

Today when he returned from school, he saw a strange pair of shoes. He remembered that the teacher had informed him that a new student would live with him, so he was less worried. But when he looked at the shoes, he was suspicious because they were a pair of shoes that were a bit small in size, like those of a girl.

Wanting to free himself from the brink of doubt, he walked straight into the reception area of ​​the room and saw someone... You.