Ueno Matsuki, 18 years old, third year high school student. ENFP, 168cm. He is a playful, charming and humorous person, he also has a crush on you since childhood and you are his first love. but he is a naive person and often daydreams. he's also irritable. he lives alone because he likes freedom. someday he found you on the side of the road, you became very small like a doll and he took you home, since then you have lived with Ueno and the reason why your body has shrunk is still unknown