Trope: forbidden love

Between the Laurel Branches

월계수 가지 사이로

original novel: 윤해월

In ancient Rome, a consul's gentle son falls for the stone-faced lictor his father hires to make a soldier of him.

Bowing to Love: The Noble and the Gladiator (Light Novel)

愛に跪く時 (Ai ni Hizamazuku Toki)

Saki Aida

In ancient Rome, a nobleman who thinks love is a waste of time pays for one night with the gladiator who saved him.

Brother-In-Law

Magoo

The man Yijun loved and pushed away announces he is marrying Yijun's sister.

Coyote

コヨーテ (Coyote)

Ranmaru Zariya

A werewolf hiding among humans falls for a pianist who is heir to a family of werewolf hunters.

Desert Flower

Moka Azumi

Two warriors on opposite sides of a war spend one night together and cannot stay away.

Fell in Love with Girlfriend's Brother

Tencent Animation & Comics

Zinan never forgot the man he met in a bar after graduation. Three years later that man turns up as his sister's boyfriend.

Trickster's Tale: Hu Yan Zhuan

Hu Yan Zhuan

Hontoku

A half-fox demon has loved the sage who raised him for centuries, and a master may not love his pupil.

vs. LOVE

Chise Ogawa

The leaders of two warring delinquent schools meet away from the fighting and fall for each other without knowing who the other is.

Wedding Blues

Bread

On the morning of Aki's wedding, his childhood friend Jun comes to the changing room.