My Legend Is Everywhere, Quick Transmigration

System: In every world, this System chooses the richest, most powerful, best-looking, and most capable role for its Host. Would you like to bind with the System? Shen Shijiu: Yes, yes, yes! In the first world, he transmigrated into a wealthy second-generation heir who couldn’t carry a tune. System: Mission issued. Host, release an album using your own abilities. Shen Shijiu: ... In the second world, he transmigrated into the aloof number-one expert under heaven. System: Mission issued. Host, sell a thousand paintings at an art studio using your own abilities. Shen Shijiu: ... In the third world, he transmigrated into the ruler of ten thousand demons, who alone couldn’t use the demon-hunting arts of human demon hunters. System: Mission issued. Host, use human demon-hunting methods to subdue a hundred black demons. Shen Shijiu: ... In the fourth world, he transmigrated into the empire’s greatest mecha pilot. System: Mission issued. Host, go to the Imperial Military Academy to study mecha maintenance. Shen Shijiu: ... There’s a legend in the martial world about a certain great figure who always pretends to be weak to catch his enemies off guard. *An all-around, fragmented love interest who can do everything across all the worlds x a bottom forced to pretend to be weak to catch his enemies off guard *The love interest is one person *This story was written quite a while ago, so some parts may not have been handled well. Please read with caution if that bothers you. Theme: Keep striving to improve!