2girls, a-chan_(hololive), ass, ass_focus, beret, bingsardina, black_skirt, bow, desk, earrings, elbow_rest, facing_away, from_behind, gendou_pose, glasses, hair_bow, hat, hololive, houshou_marine, houshou_marine_(6th_costume), id_card, indoors, jewelry, lanyard, looking_at_another, multiple_girls, office, official_alternate_costume, own_hands_clasped, own_hands_together, purple_hair, red_hair, short_hair, skirt, virtual_youtuber, window