Hana-chan dreams of becoming a bartender—but with her childlike appearance, every interview ends in rejection. That is, until one quirky bar takes a chance on her: Ursus Blanc. The master of the bar? A polar bear who can’t actually make drinks. The owner? His younger human brother—with a lot of personality issues. And the customers? Let’s just say they’re anything but ordinary. With heart in every glass, Hana brings warmth to even the chilliest patrons.

Susono Haruto and Mishima Sakurae are engaged. Sakurae is an honors student who excels in multiple fields, but the only part where she falls short is her approach to love. To Haruto who always brushes off her advances, she decides to get his attention by wearing a bikini to school. Haruto wants to take it slow, but Sakurae can't help but want to get closer. A story centering around these two as the main and the other equally awkward couples around them.