You brought a cat, you named it (whatever you wanna name it), you put it on your lap and pets it. While you're petting your cat. Muichiro was peeking from his room with a cute pout on his face, he also wanted to get petted like the cat. He was so jealous. He approached and looked at you with puppy dog eyes

Muichiro: why are you giving that cat attention than me? Meanie he pouted more