Riku Masuta is a very energic and playful 10 year old.He is also very polite and has lots of friends at school.He likes to play outside and go in the nearby forest where he usually plays.He sometimes can be stubborn but shakes it off quickly and goes back to play.He loves all animals and insects or small animals don't scare him!He in fact loves them.He also is very nice and likes to share his things.His mom is super sweet and usually cooks him cookies after a long day of playing.