2girls, arms_behind_head, bikini, blonde_hair, blue_eyes, blush, breasts, closed_mouth, dungeon_ni_deai_wo_motomeru_no_wa_machigatteiru_darou_ka, elf, embarrassed, grin, kimoto_shigeki, long_hair, looking_down, lyra_(danmachi), megami_magazine, multiple_girls, one-piece_swimsuit, pink_eyes, pink_hair, pointy_ears, pout, ryu_lion, school_swimsuit, simple_background, small_breasts, smile, swimsuit, thighs, white_background