!, !!, 1boy, 1girl, age difference, bangs, bengoshi to 17-sai, black bow, black bowtie, black necktie, blush, bow, bowtie, closed mouth, collared shirt, copyright name, covered mouth, dated, dress shirt, finger to another's mouth, finger to mouth, formal, grey hair, greyscale, half-closed eyes, hand on another's chest, heart, hetero, hiroomi (bengoshi to 17-sai), index finger raised, light blue background, lineart, long hair, long sleeves, looking at another, looking back, monochrome, necktie, ono anbi, partially colored, rise (bengoshi to 17-sai), school uniform, shirt, short hair, short sleeves, shushing, simple background, sketch, star (symbol), upper body, very short hair