1girl bangs black_shirt black_wings blue_archive blush bra bra_strap buttons closed_mouth collarbone commentary english_commentary feathered_wings gradient_background grey_background halo hand_to_own_mouth hand_up happy head_wings highres koharu_(blue_archive) long_sleeves looking_down medium_hair miniskirt neckerchief nose_blush nyaivie off_shoulder pink_eyes pink_hair pink_neckerchief pleated_skirt purple_skirt raised_eyebrows sailor_collar school_uniform serafuku shirt sidelocks simple_background single_bare_shoulder skirt smile solo split_mouth sweat twintails underwear white_bra white_sailor_collar wings