Futanari! Oshioki Time

Junya Nanasato and Yuuto Mikami are the heartthrobs of their high school. However, despite their appearance, they are also seasoned heartbreakers with rotten personalities who dump girls once they become boring. This horrendous behavior catches the attention of two older girls, who take it upon themselves to exact retribution. They kidnap Junya and Yuuto and bring them to a confined bedroom space. Now helpless, all that awaits these two lechers is a fresh dose of abuse and a futanari surprise.

(Source: MAL Rewrite)