1boy, 2girls, bad_pixiv_id, black_one-piece_swimsuit, blindfold, bullpup, casual_one-piece_swimsuit, comic, fate/grand_order, fate_(series), fujimaru_ritsuka_(female), greyscale, gun, head_wings, hirunagi, holding, holding_gun, holding_weapon, kadoc_zemlupus, monochrome, multiple_girls, one-piece_swimsuit, open_mouth, p90, rindr_(fate), smile, submachine_gun, swimsuit, valkyrie_(fate), weapon, wings