E1 - Episode 1

Aired: March 10, 2022

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.

E2 - Episode 2

Aired: March 10, 2022

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.

E3 - Episode 3

Aired: March 10, 2022

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.

E4 - Episode 4

Aired: March 10, 2022

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.

E5 - Episode 5

Aired: March 10, 2022

For some reason, Kotaro is very particular about his tissues. He wants expensive, soft ones because they're "sweet." Later, Karino figures out why.

E6 - Episode 6

Aired: March 10, 2022

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.

E7 - Episode 7

Aired: March 10, 2022

A girl named Kana starts coming over to Kotaro's house to play everyday after kindergarten, but she never seems to have fun.

E8 - Episode 8

Aired: March 10, 2022

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.

E9 - Episode 9

Aired: March 10, 2022

Whenever Kotaro goes to see the neighborhood dentist, Dr. Ohba always takes the time to talk to him and ask him lots of questions.

E10 - Episode 10

Aired: March 10, 2022

One day, a woman Kotaro doesn't recognize comes to pick him up from kindergarten. She says she's Karino's ex-girlfriend.