Excruciating Deep Love with You - Chapter 3: My Father Was Gone

Ping Mo has been transferred from the Special Forces to the Alliance University, and the whole university is in an uproar. The new instructor, Ping Mo, is said to be a top alpha, with a lean waist, long legs, a nice ass, and a great sense of humor.

The little sweet omegas get weak at the sight of him.

Pei Yutu disdains: What’s so good about this f*cking little white guy?

Later, Pei Yutu discovers Ping Mo’s little secret; He is an omega, a rare Therian omega!

Big Pei pressed the man into the toilet stall, his teeth gently crushed his glands, looked at the flushed drill sergeant, squeezed the tail behind him, and laughed, “Damn! You’re so good everywhere!”

- Description from Novelupdates

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.