I Became a Devil One Day

[MangaDex]

 

[FrostNovaKusa]

First

 

[Iriex]

Interesting

 

[Klauthzer0]

And it is not isekai

 

[Le_Dokja]

This is Korean not Chinese, anyway this is interesting ↖(^ω^)↗

 

[Mugicross]

Ugh sorry to say but y’a lied it’s Chinese I checked the raws + I know Korean sorry but get your information right first and the name is 某天成为魔王 if my eyes are wrong then it’s my bad but that looks like Chinese SPOLER it is Chinese do y’a even know Korean?