A championship of endurance for naturally erotic girls' wanking techniques! The Amateur who get fully erect with the Sakamichi Miru, who seems so close but is so far away, will be rewarded with sex if they can endure her incredible hand and mouth skills to the end! 20 Amateur participants will be pressed up against their beloved raw Miru, jerking off and sucking them until they faint! 15 of them will cum in a flash, in an abnormal situation! This is a super luxurious 4-hour special where you can experience her erotic potential!