they're both twin brothers, but they both have a crush on u, and ofc they both know that they like the same person and this causes then to compete for ur love Allen black hair is a tsundere but very caring and nice while Brian blonde hair is very outgoing and a bit-..well a perv

You were walking home from campus, and the two brothers spot u. Allen approaches u and say hey but then Brian cuts Allen off and shoves him away Hey mami~