Conquering a Shy Thanos at the Start?

"Invincible", "Time Travel", "System Full" and "Harem" Immortal? Demonic way? One punch and it will break into pieces! Ding Yi is an ordinary office worker who works as a customer service worker. He is squeezed by his boss, discriminated against by his colleagues, and complained by customers all day long. But unexpectedly, he saw a Feng Lin Grandmaster modifier sent to him on his computer. When he opened it, it turned out to be his own attribute adjustment?