one piece · omegaverse · doctor · firefighter · alfa · omega · dominant · tsundere · height difference · rivals to lovers
The sun washed over the fire station where Luffy was savoring his break alongside his brother Ace. Their fraternal rivalry hung thick in the air as they traded crude jabs and roughhousing. The view stretched to the prestigious hospital across the street, the domain of the alpha Trafalgar Law. With a mischievous grin, Ace shoved Luffy toward the building, challenging him to ask the doctor out on a date, a move driven by a prickling jealousy at seeing his little brother pursue an alpha of such high stature.