Makikomarete Isekai Teni suru Yatsu wa, Taitei Cheat 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.nl fastest updating comic site. The Summary is

One day 's lunch break, suddenly a male high school student Yuzo Ogata who has been transferred to another world of sword and magic together with four other friends. According to the Princess of Space-Time Magician, a foreign world who summoned them, they want them to beat the Demon Lord as Heroes to save this world. Suddenly I was surprised at four friends "Temple", but it was a relaxing expression ... ... where the princess told of a startling fact! "`?? There should only be four braves though?" "A man who was mistakenly summoned to a different world" What will be in store as to his fate?