I Pretended to Be a Simp for Five Years. Did You Really Believe It?

Synopsis: Lin Xu transmigrates to a world where martial arts reign supreme and is immediately asked by a stranger to take care of their child. He intends to refuse, but unexpectedly awakens a System. If he accepts the child and cares for her for five years, meeting her every demand without question, will he gain invincible strength and become the strongest person in the world? Lin Xu agrees! “Five years!” “Do you know what I went through during those five years?” “Do you?” The day the five-year term ends, Lin Xu becomes invincible. But the younger sister he looked after is devastated. “What do you mean?” “I only got myself a male best friend. What gives you the right to stop doting on me?”