Man in Mask: Become Uncle Zhuang at the Beginning

He traveled through time and became Junichiro Tokiwa, but he didn't expect that the adopted child would be named Tokiwa Shogo. He thought he would live a peaceful life, but in 2018, the plot started and he accidentally obtained the system. Let's see how the protagonist secretly helped his nephew Tokiwa Shogo and himself develop secretly until he became the strongest knight. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.