After moving to a new school, Sumire crosses paths with a boy known as "The school's solitary Madonna" - Toujou. When she intervenes during a fight involving Toujou and others, he takes a liking to her and they start spending their school days together. Despite being beautiful, Toujou is abrupt in his demeanor and doesn't socialize. However, he's unexpectedly kind to Sumire, causing her heart to race. One day, during a scuffle that leaves Toujou injured, he unexpectedly kisses Sumire...!