3girls, d, bare_arms, bare_shoulders, blue_archive, blue_eyes, blush, breasts, free_style_(yohan1754), green_hair, grey_hair, halo, holding, horns, hot_springs_department_member_(blue_archive), large_breasts, long_hair, looking_at_viewer, megu_(blue_archive), multiple_girls, naked_towel, one_eye_closed, onsen, open_mouth, outdoors, partially_submerged, ponytail, red_hair, short_hair, smile, tail, towel, wash_cloth, water