​In this enticing episode of Kisaragi Sarasa’s secret desires, the beautiful and intelligent honor student finds herself overcome with intense emotions. When Sarasa’s younger brother, Kira, is accepted into the same prestigious school, she decides to mark the occasion with a special celebration. Little does Kira know, his innocent visit to Sarasa’s room is about to take an unexpected turn. Clad in a seductive see-through negligee, Sarasa reveals her passionate intentions as she boldly initiates a steamy encounter. With her eyes filled with undeniable lust and her voluptuous breasts on full display, Sarasa dives headfirst into a tantalizing experience that will leave both siblings forever changed.​