SSS-Class Suicide Hunter is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

I want an S-Rank skill too! I want it so badly, I could die for it!

[You have awakened an S-Rank skill.] [But it only works when you die.]

HUH!? WHAT’S THE POINT OF GETTING ONE IF I DIE !?