euphoniummatsu, arimura_mao, himesaki_rinami, year_2024, 2girls, alternate_costume, alternate_hairstyle, black_jacket, blush, brown_hair, dutch_angle, frilled_shirt, frills, half-heart_hands, hand_on_own_cheek, hand_on_own_face, heart, heart_background, jacket, locked_arms, long_hair, looking_at_viewer, multiple_girls, pink_hair, pink_shirt, polka_dot, polka_dot_shirt, puffy_short_sleeves, puffy_sleeves, purple_background, shirt, short_sleeves, side_ponytail, signature, smile, very_long_hair, watch, wristwatch, commentary_request, highres, gakuen_idolmaster, idolmaster