四ノ宮 那月

Natsuki is a kind boy who's fond of cute things, because of this, he's very affectionate towards Haruka and specially Shou, whom he thinks to be very adorable. He also likes cooking, though the result is always disastrous.
He plays the viola, but used to be a genius with the violin.

He shares a room with Syo from Class S and is in Class A.

He has a darker side called Satsuki that appears when his glasses are removed.