1, The Birth of Mako
The cartoonist, Osamu Tetsuro, who married late in life, is blessed with a baby. Although Osamu is perplexed at first having his life threatened by the crying baby, he later starts to feel affection for the son. One day, when the baby and the mother are taking a nap, a big bee comes flying through the window!
2, Want a Monster!
A baby is named Makoto. Monster-lover and mischievous Makoto is beyond Osamu's control as always. One night, Osamu's house is robbed while Tetsuro is out. Although Makoto notices the burglar, he does not know it is a burglar. But when the burglar sits on Makoto's favorite pillow, he starts to cry out loud, which scares the thief away. Osamu promises Makoto to buy him a monster toy as a reward, but ...
3, Advice for a Lost Child
When Makoto is 3 years and 8 months old, a little sister named Rumiko is born. Osamu takes the kids to his wife's home after an autographing session at a department store. As Makoto feels that his mother's love for him has lessened ever since Rumiko was born, he gets lost in the department store intentionally, to draw more attention to himself.
4, Rumiko, it's mine! No, it's not!
Makoto and Rumiko are always fighting over a toy. But it is always Makoto who gets scolded by their mother. To soothe Makoto, Osamu buys him a souvenir from America, and tells him not to tell his sister about it. But Makoto makes a show of it, which adds fuel to the fire.
5, Drunken Mako
It is the New Year holiday. Osamu is away from home for New Year parties day after day. One day, the family plans to go to a restaurant. The appointed time passes, but Osamu doesn't come home. His wife, Ritsuko, goes to get him at the bar with her kids. But, Makoto starts drinking there, gets drunk, and then, ...
6, Mom Bumped her Car
All of a sudden, the kids' mother, who easily gets carsick, is determined to get a driver's license. It is only natural that Osamu is against it. But she starts going to driving school anyway.
She manages to get a license after being harassed by funny instructors. One day, on her way to a supermarket with Makoto, she bumps into a kindergarten bus!
7, Troubled Rumiko
Makoto wants to have another little sister. But Rumiko, wanting to monopolize her mother's love, insists that she does not want a sister. Osamu also tells his wife that he wants to have a third child, but she plainly says she does not want anymore. With opinions divided in the family, Makoto's entrance into elementary school is drawing near. Mother thinks about letting Makoto attend a famous private school, which is an hour away from home.
8, Piano Lesson
Mother decides to let the lax Rumiko take piano lessons. Although Osamu is pessimistic that Rumiko is not skillful enough with her fingers to play the piano, her mother buys a new piano and takes Rumiko to piano lessons anyway.
But the unenthusiastic Rumiko tries to avoid the lessons by telling a lie that she hurt her fingers.
Osamu is proud of Rumiko, who loves drawing pictures as the child worthy of her cartoonist father. But he is surprised as he discovers that she is actually drawing a picture of a kissing man and woman.
In the meantime, Osamu has been asked by a publisher to draw Manga for adults, and he buys lots of pornographic books as resources for drawing. But Rumiko soon discovers them. As Osamu takes them away from Rumiko, the father and the daughter start a cold war.
10, Gonna Spend All my Otoshidama (New Year's Day's allowance)
It's New Year's Day, and Makoto and Rumiko get Otoshidama. Makoto gets 500 yen and little Rumiko gets some small coins. Makoto realizes he has grown up, remembering that he also used to be tricked into being satisfied with only small coins.
But Makoto goes to Hatsumode (the year's first visit to the shrine to wish for happiness of the new year) with his father, and spends all his Otoshidama for shopping.
Mother is worried that Makoto may inherit his father's spendthrift habit.
11, Roach Turd Cat
One day, Rumiko brings home a stray cat. Then, a grownup cat that looks like the parent and another kitten throng to the house, and finally settle there.
The mother discards them, but Makoto and Osamu find the same cats and bring them back home.
The mother finally makes up her mind, and agrees to keep them. There is one very dirty and sloppy grownup cat among them: Osamu secretly sympathizes with the cat, seeing a poor bullied man in it.
12, Parents and Children Conversation
Unable to control the obstinate Rumiko, mother thinks that it is because of the lack of conversation between them.
In order to understand the child better, she tries to read children's Manga to her, but this only adds to her confusion.
Next, she plays a game with the child. But when she lets her win, Rumiko gets bored, and when she becomes serious, Rumiko starts crying. Mother and Osamu go to bed in dismay. On that night, a fire occurs in their neighborhood!
13, Friends' Graffiti
Makoto and Rumiko start to bring their friends home. Mother is always concerned about their friends, and whether the kids are enjoying an advantage in terms of education.
One day, the son of a famous critic comes to their house. Osamu secretly listens to the conversation between Makoto and the boy. Then, ...
14, Rumiko's Gossip
It is field trip day at Rumiko's kindergarten. Rumiko wants to be seated next to her favorite boy, named Tomokazu, on the bus, but she is actually seated with the plain Kabao. Rumiko is totally discouraged.
In the meantime, the bus arrives at a park, and Rumiko is finally alone with Tomokazu. Then, Tomokazu finds a purse in the pond.
Tomokazu says to Rumiko, "if you like me, go and get it for me." Then, Rumiko ...
15, I Love Devils
Probably influenced by monster movies, Makoto is fond of grotesque things such as monster masks, insect toys, etc.
Although his mother tries to stop it, Osamu wants to foster this kind of thing in his son. He tries to build a small insect hut in the garden, explaining that he loved insects when he was a child and that he used to keep insects.
But Osamu is extremely clumsy with his hands, except for drawing Manga. Unable to build the hut he wants, he gives up halfway. Then seeing the unfinished insect hut, Makoto says he wants to have that box, and then, ...
Makoto's grade school teacher / Mr. Doronko
16, Bud of Jealousy
A third child is born in the Osamu. She is named Chiiko. As anticipated, Rumiko is jealous of her.
From his experience, Makoto teaches Rumiko about "how to use her little sister." But those methods are revealed to be ...
17, Quiet Chiiko
Osamu and Ritsuko have had a lot of trouble raising the unyielding Makoto and selfish Rumiko. But Chiiko is so quiet that it makes them worried.
One day, Chiiko is left alone by Rumiko on a plastic bucket, and she is even dropped into the pond by her father, who is scared by Makoto. Regardless of all this, Chiiko does not cry at all.
But when the mother tells Chiiko she has to get an injection so she won't catch a cold after being dropped into the pond, Chiiko suddenly starts crying frantically.