Sometimes the biggest thing someone needs isn’t more space. It’s just permission to take up the space they already have.
In Japanese fanfiction circles (e.g., Pixiv, Syosetu, or older 2channel threads), titles often include phrases like “uchi no otouto ga maji de dekai” as a hook. The “mi ni kona” could mean the brother doesn’t come to see the protagonist – creating emotional distance despite physical size. uchi no otouto maji de dekain dakedo mi ni kona upd
So even though there’s a mountain of things he can’t do yet, his earnestness lifts everyone’s spirits. Sometimes the biggest thing someone needs isn’t more space