1girl, arm_support, aru_(blue_archive), blue_archive, bottle, breasts, closed_mouth, collarbone, cup, halo, holding, horns, indoors, large_breasts, light_rays, long_hair, looking_at_viewer, mole, mole_on_breast, naked_towel, red_hair, ryeon_(bluetom1), sakazuki, sake_bottle, sitting, smile, solo, sunbeam, sunlight, tokkuri, towel, yellow_eyes