1boy, 1girl, axe, beach, beach_chair, beetle, bikini, bug, castaway, comic, greyscale, higuchi_madoka, holding, holding_axe, idolmaster, idolmaster_shiny_colors, kyousaru, monochrome, navel, necktie, oar, ocean, outdoors, p-head_producer, palm_tree, producer_(idolmaster), raft, sand, shirt, sitting, sunglasses, swimsuit, torn_clothes, torn_shirt, tree, wilson_sporting_goods