u u ki u u,osomatsu-san,osomatsu (series),,2boys,antenna hair,bags under eyes,barefoot,blue pajamas,blue pants,blue shirt,blue sleeves,blunt bangs,blush stickers,brothers,brown eyes,brown hair,buttoning,buttons,character request,collared shirt,commentary request,exhausted,full body,knee up,long sleeves,looking at another,multiple boys,open mouth,pajamas,pants,parted lips,pillow,pointing,pointing at another,shirt,short hair,siblings,sitting,squeans,toes,v-shaped eyebrows