Popular manga artist Masaki Shinji's masterpiece "Ro●suka" is finally adapted into live-action with its fifth installment released! Schoolgirls Makoto and Yurina gradually cross the line from a simple friendship into something more. Makoto has a unique fetish, making Yurina take laxatives to induce excretion and stimulating her anus with toys to achieve sexual pleasure. Their relationship goes beyond the master-and-slave dynamic of "master" and "sl●t," growing increasingly intimate. Their secret play escalates further, deepening their bond in a new and intense way.