My Younger Brother Always Steals My Men [Quick Transmigration]

Jiang Yichuan: I was having such a great day, then I took a nap and somehow got dragged into some stupid transmigration organization…_(:з"∠)_ Cat System: If you weren’t exceptionally gifted, innocent, and unpretentious, do you think we’d have picked you for the amazing opportunity to date the chosen ones of various worlds? Jiang Yichuan, a lonely single dog: (*/?\*)… Fine. But… Why does he run into a younger brother who isn’t related to him by blood in every world? Why does every single younger brother try to steal his man?