Reborn as a Squid 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

After the protagonist of the gangster manga unexpectedly dies, he reincarnated into a different world’s ocean, transforming into a cute little squid. However, the seemingly peaceful Atlan Sea is, in reality, a bloody battlefield where various powerful figures engage in fierce struggles …