[EGO DANCE (Nanamatsu Kenji)] Otonari-san ga Jitsu wa Ecchi na Mesu Onii-san deshita

An anxious young man discovers his neighbor is actually an ecchi big sister, whose provocative demeanor and hidden desires ignite a tense, forbidden attraction. The story unfolds through a series of frantic encounters, where the sister's teasing gestures and the man's reluctant compliance create a charged atmosphere of desire and embarrassment. As the boundary between neighborly familiarity and erotic provocation blurs, the narrative promises a tantalizing blend of comedy and sensual tension.