Reborn As A Monster is a Manga/Manhwa/Manhua in english language, manhua 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

Lin Yuan, who died in a car accident, accidentally traveled to a parallel world and became a monster with a sign-in system! Check in at the Mariana Trench and reward “devouring power”! Sign in at extreme abyss Island and reward “Explosive Breath”! Sign in in the Arctic Icefield and reward “Red Lotus Form”! Check-in in the Amazon Rainforest and reward “God of Destruction Form”! However, Lin Yuan, with the idea of not being born without invincibility, signed in silently on extreme abyss Island for thirty years… Thirty years later, An alien ship…