Dual Male Protagonists: [I Am the Eldest Son of the Ran Family, and You Want Me to Go to the Countryside to Reform!

I Want a Sweet Short Story with Two Male Protagonists. Perfect Cookies for Bedtime! !

Two Male Protagonists, Mortal Enemies

I want to read a book like "It's so sweet after getting the certificate with your arch-enemy". , Is there any rival literature, and then gradually got along with it ( •̥́ ˍ •̀ू ), and the one above is still a love brain (.•́•̀.)