MTL - True Marvel World - Chapter 384 Death stand-in

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

[Female disguised as a man + group favorite + cool article] Pei Yi transmigrated into a male frequency article. She became a cannon fodder that no relatives recognized!

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?