3girls, 4koma, animal_ears, artist_self-insert, blue_eyes, blue_hair, building, closed_eyes, comic, from_behind, gradient, gradient_background, heterochromia, holding, holding_umbrella, index_finger_raised, juliet_sleeves, long_sleeves, mouse_ears, mouse_tail, multiple_girls, open_mouth, puffy_sleeves, purple_hair, red_eyes, shawl, short_hair, skirt, sun, sweatdrop, tail, umbrella, vest