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.