[Oshima Aki] Ecchi na Onee-san to Tairyoku Zukuri Gasshuku o Suru Hanashi [English]

A young boy arrives at a mysterious training camp filled with stunning, curvaceous women who call themselves 'mamas.' While the boy tries to stay composed, he quickly finds himself overwhelmed by the sheer physical presence of the beautiful women surrounding him. As the staff prepares him for a rigorous regimen of physical strength training, the boundaries between caretaker and playmate blur, leading to an intimate and intense session where the boy receives all the special attention he could possibly desire.