Episode 1
A strange four-year-old boy named Kotaro moves into Shimizu Apartment all on his own. He doesn't seem to have any parents or family around.
Episode 2
Karino figures out why Kotaro talks the way he does: he's copying Tonosaman, his favorite cartoon character from a show that's about to end.
Episode 3
When he sees someone handing out free balloons, Kotaro tries to collect as many as he can. But there's a reason he wants so many balloons.
Episode 4
Kotaro's friend Kakeru has a maid who takes care of everything for him, so Kotaro decides to show Kakeru how to do things for himself.
Episode 5
For some reason, Kotaro is very particular about his tissues. He wants expensive, soft ones because they're "sweet." Later, Karino figures out why.
Episode 6
A man named Aota moves into the building for a month. When he asks Kotaro to be his friend, Karino gets suspicious — and a little jealous.
Episode 7
A girl named Kana starts coming over to Kotaro's house to play everyday after kindergarten, but she never seems to have fun.
Episode 8
Karino brings Kotaro and all his friends to the movies. Kotaro wants to see the new Tonosaman film, but the other kids want to watch something else.
Episode 9
Whenever Kotaro goes to see the neighborhood dentist, Dr. Ohba always takes the time to talk to him and ask him lots of questions.
Episode 10
One day, a woman Kotaro doesn't recognize comes to pick him up from kindergarten. She says she's Karino's ex-girlfriend.
