2girls, ahoge, back, bare_shoulders, blue_eyes, breasts, chinese_text, cleavage, english_text, high_ponytail, honkai_(series), honkai_impact_3rd, kiana_kaslana, kiana_kaslana_(herrscher_of_finality), kiana_kaslana_(white_comet), looking_at_another, multiple_girls, ponytail, smile, train_interior, upper_body