Mika Sakurajima lost her parents to a strong demon and suffered a tragic past. After slaying the demon and many other, Mika quickly rises through the ranks and becomes the new Cherry Blossom Hashira. She soon gains the attention of fellow Water Hashira and her longtime crush, Giyu Tomioka, but behind Mika's smile is hatred and pain for what the demon had done to her family. Mika can feel there's something more than friendship between her and Giyu. Will they ever confess? And help each other out of their darkness?