1girl, 4koma, artist_self-insert, blue_eyes, blue_hair, closed_eyes, comic, grin, hand_up, heart, heterochromia, holding, holding_microphone, juliet_sleeves, long_sleeves, microphone, open_mouth, puffy_sleeves, red_eyes, shaded_face, short_hair, smile, spoken_heart, sweat, sweating_profusely, vest