Oppai Succubus Academy -

"Welcome, freshmen!" Principal Morrigan's voice dripped like honey. Her own assets strained against a velvet blazer. "At Oppai Succubus Academy, we don't just teach seduction. We perfect it."

If you want a based on that premise, here's a lighthearted excerpt: Oppai Succubus Academy – Welcome Assembly oppai succubus academy

Beside Kaito, a purple-haired succubus named Lilyssa leaned close, her tail curling around his wrist. "Don't worry," she whispered. "We'll take good care of you." "Welcome, freshmen

Lilyssa giggled. "Most don't."