Isekai Chiito Majutsushi

Isekai Cheat Magician (異世界チート魔術師 Isekai Chiito Majutsushi, "Fantasy World Cheat Magician") is a Japanese light novel series written by Takeru Uchida and illustrated by Nardack. The series began as a web novel series on the Shōsetsuka ni Narō website in 2012, where it is still ongoing as of January 2018. The novels were then published in print by Shufunotomo beginning in 2013; eight volumes have been published as of May 2018. A manga adaptation by Karin Suzuragi began serialization in Kadokawa Shoten's Monthly Shōnen Ace magazine in December 2016, with three tankōbon volumes released so far. An anime television series adaptation by Encourage Films has been announced.

Summary
Taichi Nishimura is an ordinary high school student who warped in a different world.

In the present age, he is just someone with good reflexes but in the different world, he is an irregular existence.

He wants to return to Earth but first, he must survive.

Along with his caught up friend, Cheat Taichi travels to a different world!