One Qian Zero One Leaf

Gu Ye (the male protagonist) grew up in a poor family and his parents could not afford to raise him, so they left him at the door of the Chen family and was taken in by the Chen family. Three years later, the Chen family was surprised to have a daughter, Chen Qian (the heroine), and the family of four lived happily together. Gu Ye protected Chen Qian year after year, and he must be no longer his brother...