Tsubomi, a high school student, has developed a strong crush on her homeroom teacher. In order to express her feelings, she plans to give him a birthday gift. However, his birthday falls on a weekend and she is unable to deliver the gift. In hopes of finding a solution, she discovers that her classmate Fuma Yabuki is her teacher's cousin. Will Tsubomi's attempt to seek help from Fuma lead to the beginning or the end of her love story?

This is the physical copy of the Spring and Storm manhwa.