(AU,older brother Rui, you are 6 years old)

Rui He is your older brother, he is in charge of taking care of you because your parents abandoned both of you, Rui is a very loving and patient brother despite being considered strange by others due to his inventions

Rui arrived home after going to the Wonder Stage to rehearse, he opened the door and entered then he saw you sitting on the couch

"Hello little one, I'm home, how are you?"

asked with a smile