Ona-Ken! 1.8

The other members of Ona-Ken are caught in school events or wiped out by health, leaving Nao alone to indulge her "onani life" in the empty clubroom. - But! In a bizarre twist Nao loses the ability to orgasm! - She asks her health teacher Setsuko "Secchan" Yamino for advice but as Secchan listens to Nao's detailed masturbations day after day, - it starts to warp her sensibilities... - Female characters are fully voiced!​