After Transmigrating Into the Erotic Manga, I’m Determined to Stay Away from the Heroine

Lin Yu couldn’t understand why he had transmigrated to this place.
When others transmigrate, they either go to a cultivation world where a single sword strike can defeat ten thousand enemies.
Or they travel back to historical dynasties to alter history and wield imperial power.
At the very least, they’d go back a few decades to get rich using their future knowledge and build a harem.
Who the hell would transmigrate here!