Urotsuki 3 – Anime college girl is tentacle banged by demon while boyfriend watches

The Urotsuki / Urotsukidoji: New Saga / 우로츠키
An immortal beast-man of supernatural lusts, Amano Jaku escapes prison to gratify his appetites at Meishin College. But the campus is not just a hotbed of luscious coeds - it's the breeding ground of a hideous monster! The Ultra God is Amano Jaku's nemesis, a vile killing machine, and the ancient harbinger of the coming apocalypse. Now, immortals will clash in a battle that will bathe the Earth in innocent blood!