[Fake aloof, actually a lovesick, scheming green-tea top x a tsundere chatterbox bottom whose pride means everything]
They grew up together, and their fathers were old friends. Their relationship was so close that even when Lin Yi lay in Xiao Yu's arms, their parents just thought, "They really are like brothers. They've grown up together, and even though they're not related, they're closer than real brothers."
That was until the carefree, easygoing B Lin Yi unexpectedly presented as an omega while using the bathroom. And not just any omega, but a top-tier one. He started thinking all the alphas around him were up to no good, while his own beta was still the best.
Xiao Yu had spent so many years being a B alongside Lin Yi that he'd probably picked it up from him. He presented as an alpha.
The two top-tier pheromone users ended up together, and their admirers blushed furiously...
Theme: Study hard and improve every day
