A-gata-kun, B-gata-kun, O-gata-kun, and AB-gata-kun are back to explore cultural stereotypes associated with blood types! Joined by their female peers, they dive into numerous relationship-themed topics such as individual charm, managing disappointing gifts, and... hiding explicit content on a computer? From being stranded on a deserted island to living together as housemates, each blood type displays a distinct and entertaining response to these familiar situations.