usugiri bacon, flandre scarlet, remilia scarlet, touhou, bad id, bad pixiv id, 2girls, annoyed, bat wings, beach, bikini, blonde hair, blue hair, burning, covering breasts, covering privates, criss-cross halter, day, female focus, flat chest, halterneck, hand on own hip, hat, laevatein, looking at viewer, lowleg, lowleg bikini, mob cap, multiple girls, outdoors, polearm, red eyes, short hair, siblings, side-tie bikini bottom, sisters, spear, swimsuit, thigh gap, weapon, wings