Shingan no Yuusha is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading Shingan no Yuusha chapters on VipToon.Net, fastest updating comic site. The Summary is
Makoto is a recluse (hikikomori) who gets summoned to another world. From the Goddess Liana, he's granted the "Truth Eye" aka "God's Eye". Makoto is now able to see various things, including the past and future, using this ability to live as an adventurer in a different world.