Psycho Revenge

Psycho Revenge is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here.
The Summary is

Sungbin was ordinary, but after the death of his sister, he takes on the moniker of ‘Neon Mask’. As Neon Mask, he becomes a psycho streamer and wages war on all gangs. “A debt of blood must be paid back in blood.” “To avenge my sister, I will create an ocean of blood.”