Jen: Tenrou no Me

In this country, there is a species of bird-man called zhen. They love to eat poisonous food, and the poison in their bodies is converted into colorful feathers. The strength of their poison and the beauty of their plumage are the pride of the zhen.

The third in the series is a noble white zhen x a sinner. The bandit Lui is captured by Zhen Tianlang, who is still heartbroken after the death of his beloved. He can escape execution by undertaking a mission, but…

"Please, just live your life. Run away."

(Source: Canna, translated)