yoshino azuma, original, bad id, bad pixiv id, 2boys, ball, blue eyes, blue male swimwear, blue swim trunks, brothers, brown hair, camouflage, camouflage male swimwear, camouflage swimsuit, drawstring, dutch angle, green eyes, green male swimwear, green swim trunks, holding, holding swim ring, innertube, male focus, male swimwear, multiple boys, print male swimwear, print swim trunks, short hair, siblings, swim ring, swim trunks, swimsuit