Back to the Divine Lord's Youth (Selfcest)

A cold, sinister Ghost King gong x a cool, refined, and elegant immortal lord shou Just an idea: The shou, before entering the ghost path five hundred years ago, meets the gong, who has fallen into the ghost path five hundred years later. A narcissistic romance. One-on-one + happy ending + mutual salvation I'll add the blurb when I've thought of one. The central premise won't change. Theme: Cherish life