The story involves two pairs of teenage elder sister and younger brother, the Shinmoto's who are a bit narcissistic and the Saitou's who look a bit mysterious. It follows their everyday life in school and at home.
Siblings + Siblings =
Already an Adult, Yet Still a Child
Opposite Sex, Same Sex
20 Year Olds' Daily Lives
17 Year Olds' Daily Lives
One Step Forward
Now and Then
Festival: Dreams and Fantasies Arc
Festival: Reality Arc
Little Brothers' Circumstances
Big Sisters' Circumstances
Everybody's Circumstances
Super Youth Siblings
My Angel Sometime Devil
Topíssima
The Wolf Princess
Call It What You Want
BOCCHI THE ROCK!
The Waiting Room
Baka and Test: Summon the Beasts
The Everyday Tales of a Cat God
Minami-ke
Fist of the North Star
Baki the Grappler
KochiKame
Cyborg 009
Attention Please
Eureka Seven
Neon Genesis Evangelion
The Wallflower
Yu-Gi-Oh! Duel Monsters
Ah! My Goddess
Beast Machines: Transformers
Lime-Colored History of War