Cursed by Heaven, Instead I Become Stronger is a Manga/Manhwa/Manhua in (English/Raw) language, Manhua series, english chapters have been translated and you can read them here. You are reading Cursed by Heaven, Instead I Become Stronger chapters on www.manga-raw.club, fastest updating comic site. The Summary is
The male protagonist crossed over and received a cursed system, which made him stronger as long as he lay down or gained the negative emotions of others, so the male protagonist began to lay flat and live a life of salted fish to upgrade.