Isekai Saikyou no Seikishi wa Joujakusugite Kyou mo Net Enjoushiteru: FF Gai Kara Shitsureishimasu

Many years ago a man in a turtleneck appeared from a different world, With his cheat abilities and high intellect he cooperated with the dwarves to make the device that changed the world, The "Smartphone". Years later, The world was taken by the magic of social media, And encouraged by his companions, The holy knight Folg has decided to make an account. But with the internet filled with trolls, how will it go for the noob holy knight?