Gokufuri Kyohi Shite Tesaguri Sutato! Toku-ka Shinai Hira, Nakama to Wakarete Tabi ni Deru

A group of MMORPG players get sent into a world called Tesla.
Our protagonist decides to not specialize his skill.
He finds whole situation suspicious and decides to distance himself from his close friends and instead have adventures with complete strangers instead.
(Source: MangaDex)