After Yumi is actually injured, a desperate Mikoto complies. However, she starts the relationship believing that Shiori herself is the one blackmailing her.
The plot centers on Mikoto Kurahashi , a popular student who receives an anonymous blackmail letter. The threat is clear: she must ask out a first-year student named Shiori Minato , or her sister, Yumi, will be harmed. Letters.From.a.Rainy.Day.Oceans.and.Lace-DARKSi...
A popular student forced into a relationship to protect her sister. She harbors deep suspicion toward Shiori. After Yumi is actually injured, a desperate Mikoto complies