One day, Tsurara is attacked by her mother's stepfather, who resists with tears in her eyes. Her stepfather licks and kisses her face endlessly, and his persistent cunnilingus makes her cum... Since that day, what has been inside Tsurara? Ka is starting to go crazy... Eventually, she wants her stepfather's dick for herself and allows her male friend to have her body...and Tsurara becomes useless without her stepfather's dick.