The three Minami sisters and some of their friends are introduced.

The Minami sisters' daily school life is shown. Some of their classmates are introduced as well.

Takeru visits Minami family. Riko has a crush on Fujioka, but is frustrated by his relationship with Kana. Meanwhile, Hosaka imagines what it is like to be a part of Minami family.

It is really hot and the Minamis decide to take a trip to the beach. Their swimming suits are too small. Kana and Chiaki go buy swimming suits, while Haruka makes dinner. Kana buys Haruka a two piece swimming suit.

Chiaki invites her friends over to work on home work. Kana asks Makoto what type of girls does he perfer. Haruka comes in and Makoto decides to help Haruka cook. The next day Chiaki ignores Makoto the whole day. Makoto comes over with Uchida the next day and Kana dresses him up like a girl.

Kana teaches Chiaki's friends about how to deal with a suspicious man. Meanwhile, Haruka's legendary past in her junior high school is revealed.

Hosaka tries to get close to Haruka by making impressive bentos for her.

The Minami sisters' daily life at home is shown.

Toma, a tomboy from another Minami family, is introduced while Makoto is still pretending to be a girl in front of Haruka.

The Neighboring Minamis are introduced.

The Minami family and the neighboring Minami family are having their own Christmas eve, while Hosaka is preparing a soba bowl to impress Haruka.

The Minami family celebrate New Year's.