Hell mode ~ A gamer, that loves speedruns, is invincible in the world with an abandoned setting~

Yamada Kenichi is a 35 year old salary man. He was a gamer who loved to speedrun difficult games however, he could only lament at the current state of easy to play games that littered the society. In a time like this he finds a site with the name "To you who loves speedruns". He was charmed by it, and so he was transmigrated into an other world with hell mode difficulty. This story is a cliche isekai novel about Summoner Alen. Since Alen was reincarnated into a farmer's house he does not know about this world. Alen's story starts like a games of the past, where you start knowing nothing.