Anime Crossover: Playing the Bone King, the Strongest Demon Emperor of the Undying City

[Multiverse crossover fanfic, System, role-playing, mistaken glorification, Ainz Ooal Gown, invincible protagonist]

Lin Xuan transmigrates into a world of crises where sorcery and evil spirits run rampant, becoming the lowest-ranked logistics worker in the Defense Bureau.

Unfortunately, on his very first day, he's caught up in a Night Parade of One Hundred Demons led by a Special Grade Cursed Spirit, and his life hangs by a thread.

Just then

[Ding! Role-Playing System activated. Current character: Bone Daddy (Ainz Ooal Gown)]

[Current role-play progress: 1%]

[Abilities acquired: Despair Aura, Grasp Heart]

[As long as the Host continues playing Bone Daddy, role-play progress will increase, gradually unlocking all the powers of the Supreme Beings.]

Play Bone Daddy?

That couldn't be easier. Whenever an enemy shows up, just stack a hundred buffs on yourself in the air first!