Koukyuu no Kemono wa Ai wo Haramu

Leixing has lost the emperor's favor and is forced out of the inner palace. Knowing that a demi-human who leaves the inner palace is sure to face a miserable life of persecution, he wants to make it back somehow. It is at this point that he sees fellow demi-human Tengel be kidnapped as a slave. Leixing notices Tengel's blessed body from the frontier and plots to make him fit the emperor's taste to regain his own position in the inner palace, but...

(Source: Kasakura Shuppansha, translated)