He is known as a precocious genius.

The boy's name is Daiki-kun.

I go to drink coffee in front of the station every day.

I used to live in Tokyo before.

My child is attending a private school.

My child goes to a cram school every weekend.

My dream is to go on to Keio University.

My brother was expelled from Keio University.

In biology, neoteny refers to the phenomenon where the adult retains the form of the juvenile.

He is still an immature pianist.