A high school girl, Ruka Inui, is drugged with sleeping pills and repeatedly raped every night for her underdeveloped vagina by her jealous and outstanding stepsister. (RLMP-021)

The brother's sleep rape of his immature body continues unabated. His defenseless body is repeatedly defiled by his penis every night… The brother's emotional outburst during sleep rape… Night after night, the sister is developed, reaching climax even during non-REM sleep. When awake, it's normal conversation. When asleep, it's brutal sleep rape. In the bedroom, where only the silent thud of his penis echoes… Massive ejaculation.