Is My Childhood Friend Omega Brother an A?!

[Double Male Leads + AB + Double Pure + 1v1 + Childhood Sweethearts + Reunion + Sweet Pampering + A Pretending to Be O] Yan Yuan had just gone through a breakup when his friend dragged him to a bar to cheer him up, where he unexpectedly reunited with his omega neighbor—a younger brother who had been drugged by his own friends. Faced with the omega brother who had just returned to the country and was struggling to adjust to life back home, Yan Yuan took it upon himself to care for him, offering comfort, helping him find a place to live, feeding him delicious food, and eventually moving in together to protect him. But then... Yan Yuan (puzzled): Yan Yan, have you grown taller again? Wen An...