Five siblings struggle to live together after their parents have passed away. Arguments are a norm, and each have their own problems with studying, finding a job, marriage, etc. But no matter how dysfunctional their family can be, blood is thicker than water and the ties that bind will keep them together through thick and thin.
Asa-nii, the eldest of the Sato siblings, discovers that his girlfriend is pregnant. Meanwhile, the bond he shares with his younger siblings suffers due to his overbearing attitude toward the family.