All the kids wind up worshiping Kamitani after he stops a cat from attacking a baby chick.
Kazuma and Takuma's father has trouble getting close to them at one point because of his acting career. Then it turns out that they really did care about him and know him; They watch his moves all the time! It's just that his mother had recently shown them a movie where he plays a kidnapper.
Kotaro's insistence on staying with Ryuuichi when he's sick. The Chairwoman has to take him out of the room, so he immediately plasters himself to the door. They then work together trying to make a mixture of hot tea, honey, and lemon for Ryuuichi.
During the Beach Episode, Kotaro becomes a little bit afraid of the water, but he leaps right in when he sees his older brother get submerged.