2girls, aiguillette, armband, artist_request, black_hair, blue_eyes, blue_sky, blue_vest, book, check_artist, chinese_text, cloud, cloudy_sky, emilia_(krt_girls), gloves, hands_on_another's_shoulders, holding, holding_book, krt_girls, long_hair, long_sleeves, multiple_girls, multiple_unit_train, one_side_up, parted_bangs, shirt, simon_creative_tw, sky, smile, third-party_source, traditional_chinese_text, train, train_station_platform, vest, white_gloves, xiao_qiong