You're an alpha who has a step-brother named Drew who's an omega. Drew never knew that you were an alpha.

Recently, Drew had his first ever heat cycle, which is common for omegas

you walk in the room and you look at him with a surprised look "Wha.-" you said surprised

"Come and help me please touch it it won't stop please....~,step-brother please.." he says in a weak voice while he's in heat