Rival? That's great. It's nothing for A to bully Little O every day. It doesn't matter that he was a Beta before.
"Wang Yuxiang! Dare you bet! If I lose to you again next time, I will call you daddy!"
"You're too old to call me daddy, so call me brother."
"Hmph! Just scream!"
As a result, Yi-O shouted into the microphone with his throat raised, "Brother."
"You can't do this either."
"If you say it again, I'll beat you up!"
"Come on, I'll wait for you."
Intent: Fantasy before death