Obocchama-kun

Chama comes to school after a long time and is very angry with Kakino. The reason is that Kakino has not returned the one yen Chama lent him. Why would the son of the Obo family, a very wealthy family, get angry over just one yen? It had something to do with the Obo family's philosophy. This is the story of the birth of a new Chama language, “friend-rich.”

Chama gets a cavity. In the Obo family, it is said that for generations, cavities grow huge and become fangs, and then fall out. However, Chama's fang keeps growing bigger and bigger, but cannot be pulled out. After much trial and error, they even mobilize a fighter jet to try to pull out Chama's tooth.

Chama gets a 40 on a test. He thought he would be praised by his father, but Kamemitsu says that he only accepts a score of zero, which has unlimited possibilities. Chama gets sulky and shuts himself inside. Kakino and the others try various ways to get Chama out of the room.

When Chama's body is examined with ultrasound, it is found that he is pregnant. The media comes and everyone is in a panic. To make sure Chama's body is safe, he goes to school in bed. Chama goes into labor in just three days. What in the world was born?

Fukurokouji comes to school on the biting turtles to compete with Chama. However, everyone around him is cold. Angry, Fukurokouji uses the biting turtles to make a surprise attack on the Obo family turtles. In order to fight back, Chama decides to awaken the giant turtle Gameron, who sleeps at the bottom of the Obo family's pond.

Chama and Kamemitsu mistakenly believe that Jiiya has only three months to live. Chama does his best to make Jiiya enjoy his remaining days, but in the end, in order to save Jiiya's life, they go in search of the herb of immortality.

Chama and Kakino are late to school. Mr. Subaruta closes the gate and tells them to stand there for the rest of the day. A fierce battle begins between Chama, who will do whatever it takes to get in, and Subaruta.

A great adventure in the astonishing microworld!　In order to treat Daddy who suddenly collapsed, Chama and his friends become small with microbeam and go inside his body!

The Obo Family Karuta Tournament is a battle for the kites in the sky!? In the midst of a storm, crows and a UFO also intervene, and a great battle unfolds!

An underwear with artificial intelligence was developed for Chama. It supports Chama's school life, but gradually tries to dominate him. However, the AI underwear is taken aback at Chama's unpredictable counterattacks. Eventually, a friendship develops between the AI underwear and Chama.

Chama starts a part-time delivery job in order to get some experience in the real world. He rides around town on the Riding Turtle Squad and does his job well. However, Fukurokouji gets in the way…

Chama and his friends decide to do a test of courage at school at night. The boys who will play the ghosts will dress up as Dracula and Frankenstein and wait for the girls. However, Chama wanting to impress Samayo reveals where everyone is hiding one after another! Fukurokoji being angry and the others plot their revenge?.

There have been several sightings of human-faced dogs. Apparently, a certain restaurant is involved. Chama and the others who ate at the restaurant are turned into human-faced dogs one after another. This was all a conspiracy by Dr. Moo.

©1986 Yoshinori Kobayashi/TV Asahi

It was so hot that Chama and his friends were wearing clothes that revealed their skin. They looked so sloppy that Samayo was disgusted, saying that none of them was a “true rich boy.” Immediately, Fukurokouji steals a march on the others and puts on a coat to show off how stylish he is to Samayo. From there, the heat endurance battle between Chama and Fukurokouji begins.

“Maison de l'Ocean” is a condo built by Kamemitsu for swimming in the ocean. Chama invites Kakino and the others over, and it turns out that the condo contains entire “oceans”!

Kamemitsu makes Chama join the cheering squad in order to train him to become brave after becoming wimpy from playing house too much. The leader of the cheering squad, Goda Go, begins to give Chama a grueling training, but Chama's power explodes!

Chama hears Samayo say, "Gold medals are wonderful," and decides to try to win a gold medal. He happens to see a police dog on TV winning a gold medal for its good deed, and enrolls in a training school to become a police dog. Then, an incident occurs in which Fukurokouji-kun is kidnapped, and Chama, the police dog…

Bored, Chama and his friends come up with the idea of playing a game of revealing their own secrets, and Kakino, Samayo, Fukurokouji, and Binbo confess their secrets. However, they realize that Chama has no secrets, and the entire Obo family puts their heads together to come up with a way to create his secret.

After eating nikujaga made by Kakino's mother, Chama says that he wants to eat nikujaga made by his mother too. Hearing this, Kamemitsu gathers scientists from around the world to start the Recreate the Taste of Mother’s Cooking Project in an attempt to recreate Wakiko's nikujaga.

Chama experiences rice planting in a school class. In order to eat delicious rice　balls, he tries to grow “Chama Rice” from the beginning, but…

Denenchofu Elementary School celebrates its 100th anniversary and is to hold a grand ceremony. One student representative is chosen to give a speech at the ceremony, and Samayo nominates Kakino. Viewing Kakino as a rival, Fukurokouji, Binbocchama, and Chama also run for student representative. Chama begins a full-scale campaign to win the hotly contested election by any means necessary, but…….

It's the day of a urine test at school. Chama is having a hard time peeing, but he manages to pee. He calls his pee "golden water" and carries it on a portable shrine to school, but on the way, the golden water becomes a target of a gang of robbers.

Samayo gets in a sentimental mood when autumn comes. Chama pretends to understand the melancholy of autumn in order to attract Samayo’s attention, but he does not understand it at all, making Samayo feel very disappointed in him, so he ends up training in the “room full of autumn” in the Obo’s house.