Kids talk about "boobies" while playing with a character, but this is meant an innocent sense.

Hai

A character gets nosebleeds, but that character appears rarely.

In One Episode, the Main Character gets hit by a kid and gets a bruise on his hand.

One of the Main Character's friends calls his infant brother "stupid" or "idiot".

A kid calls his brother and Usaida "stupid" and "idiot" almost every time.

A reference, "I drank with him" was made in an episode.

In one Episode, a kid cries a lot because he ruined his brother's favorite ball.

Kids cry every episode.