Nyotaika Shitara Kuzuotoko no Omocha ni Saremashita

A man finds an app that can turn him into a girl. Curious, he uses it and transforms into a female version of himself. However, his joy is short-lived as he soon catches the attention of a manipulative and cruel man who sees him as nothing more than a toy. The app's effects are not easily reversible, trapping him in a nightmare of unwanted attention and abuse. He must navigate a world where his new body becomes a source of torment, struggling to escape the clutches of his predator and find a way back to his original form.