What Is It Like to Be Chased by Your Sworn Enemy?

[Quick wear + double male protagonist + master and receiver + double strong + sweet pet] As a powerful flower demon who grew up in the underworld, he was struck to death by thunder when he ascended. He was told that only by successfully surviving tribulations in various worlds could he be resurrected and ascend to immortality. If you want to overcome the tribulation, just do it. He has died once anyway, so what should he be afraid of? But who can tell him why the sworn enemy who once wanted to kill him and dominate the entire territory has followed him in every life? "As for that, just to kill me?" "Yes." But I'm not killing you, I want to... The first life, poor scholar vs. The prince The second life, the king with a different surname vs. The ruthless secret guard The third life, the poor boy vs. "Uncle" The fourth life, the transfer student vs the seemingly untouchable classmate The fifth life, under conception...