Amano-ke Yotsugo wa Ketsuekigata ga Zenin Chigau.

A four-panel manga follows the four Amano sisters, each with distinct appearances, personalities, and blood types that align with common stereotypes. The eldest, a Type-A, is meticulous and dresses stylishly to conceal her perfectionism. The second sister, a Type-B, is independent and follows her own way. The third, a Type-O, is sociable and outgoing. The youngest, also Type-B, is reserved and difficult to understand. Despite being raised in the same household, their differing traits lead to varied interactions as they navigate everyday life together.