Why Kill Him? He Can Revive Infinitely, and Every Death Makes Him Stronger!

(Writing with a disability isn't easy. Please show your support with votes.) Li Guangze transmigrates, but while everyone else gets a script as a destined villain or a protagonist with a halo, he and his companion get stuck with the roles of cannon fodder. They don't even have a so-called System, and because he's so handsome, he's caught the eye of a domineering young master who prefers men. He runs, the young master chases, and he can't escape! But the young master's father doesn't want his son fixating on just one man, so he sends an assassin to kill Li Guangze rather than let him hang himself on a single tree! Instead, the assassination brings out Li Guangze's immortal body and invincible System...