1boy, 1girl, aged_up, alternate_hair_length, alternate_hairstyle, blush, breasts, comic, formal, greyscale, hair_intakes, hand_on_own_chest, imminent_kiss, leaning_forward, long_hair, monochrome, necktie, original, smile, suit, tachibana_yuu_(yakitomato), takahashi_keita_(yakitomato), turtleneck, yakitomato