I, a Max-Level Cheat, What Happened to My Bad Habits in Troubled Times?

When he woke up, Ying Yu traveled through troubled times and was picked up by a hunter and brought home. The Orion family is born with great strength, but they also eat a lot. It is a time of famine, so they treat Winning Fish as their own daughters. Ying Yu gradually recognized this family. Looking at his silly father, weak mother, and three capable brothers, when Yingyu said it was too difficult, he awakened the [observation system]. [Ding, the system prompts, the host observed someone shooting an arrow, and you got the hundred-step piercing Yang! [Ding, the system prompts that the host has observed someone painting, and you have obtained the master painting skill! [Ding, the system prompts that the host observed someone killing someone, and you have gained the killing expertise! Ying Yu: "Ah? You can't blame me for showing off, blame me for being too promiscuous!"