Learning Magic in Another World (Remake of Supreme Magic Weapon) is a Manga/Manhwa/Manhua in english 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

Xiao En, who was working on a virtual world learning machine, died in an accident, and got isekai-ed to a magical world with the learning machine (AI) that was a slut in the inside but has a pure elder sister image outside. The time in the virtual world learning machine’s space is ten times slower, and with this endless time, it can surely create the greatest new generation of outstanding masters! (Remake of Supreme Magic Weapon)
Old Version: https://www.manga-raw.club/manga/supreme-magic-weapon/