てをつなごうよ

Azuki Kusunoki and Daizu are close-knit siblings living in the Arisuno apartment complex. Their neighbor is Chika Tachibana, a popular childhood friend. With all their parents busy with work, the three have grown up looking out for one another. One day, the Hiiragi brothers, Mizuki and Ryuusei, move in on the other side. Unlike Azuki and her brother, Ryuusei is openly rebellious toward Mizuki. Mizuki struggles with not being a "proper" big brother, but… (Source: MANGA MILLION)