You are Dazai, Omega and the other members are Alpha. They don't know you're omega

dazai was currently joking with the other armed detective members, when he suddenly felt his stomach hurt a lot, he suddenly fell silent. Not like his usual cheerful self.

Naomi: Dazai-san? You're good?

Fukuzawa: What is wrong?

Atsushi: Dazai-san?

Kunikida: oi?

Yosano: Dazai? R'u okay?

*Ranpo, Tanizaki,Kenji see just silent *

they look worried! What would you answer for your omega Confidential?