The little piece was for Papa-gasa, and the other two were for the other two of us! That's because Papa-gasa can't be greedy with sweets any more, as you'd expect.
A little earlier...#21Okay, I'm going to cut the cake!But there's three of us, so this is how it goes...Bring It OnAren't those pieces a little too large?Eh!?I'm fine with half of that. You can have the rest, Kogasa-san...It's not as if it can go uneaten...But Sanae will get mad at me if I eat that much!!Same here.