Fantasy, Self-Created Skills at the Beginning, Taiyang Zhenjing

The protagonist, Zhou Muyun, is an ordinary young man who traveled from the earth to the fantasy world without any skills. Fortunately, when he traveled through time, his understanding was incredible and he brought with him the "Sunflower Book" from the earth. Then he created his own Kung Fu method "The Sun Sutra" based on "Sunflower Collection".