kule, brera sterne, ranka lee, saotome alto, macross, macross frontier, bad id, bad pixiv id, 00s, 1girl, 2boys, :d, ahoge, ball, beachball, bikini, bird, brother and sister, day, diving mask, diving mask on head, drawstring, eyewear on head, flat chest, flower, flower necklace, goggles, goggles on head, green hair, hat, head tilt, holding, holding swim ring, innertube, jewelry, lei, looking at viewer, male swimwear, multiple boys, necklace, ocean, one-piece tan, open mouth, palm tree, print male swimwear, print swim trunks, print swimsuit, red eyes, short hair, siblings, side-tie bikini bottom, sky, smile, snorkel, string bikini, sun hat, swim ring, swim trunks, swimsuit, tan, tanline, tree, twintails, white bikini, white male swimwear, white swim trunks