I Have Become Invincible

Pang Tianchong travels to the mountains to seek his family but finds nothing, so he joins Dai Qianxue's company as a security guard. After subduing the security department and earning their respect, he helps an old lady recover her health, gaining her trust and the affection of her daughter. He also helps the company overcome difficulties and recover debts. Dai Qianxue gradually develops feelings for him, and the two finally discover they were childhood sweethearts, successfully reuniting.