1girl, 3boys, arm behind back, bisexual male, blush, bouquet, breasts, closed eyes, closed mouth, collared shirt, english text, flower, greyscale, heart, holding, holding bouquet, hug, hug from behind, kiss, long hair, monochrome, multiple boys, necktie, ponytail, school uniform, shirt, short hair, short sleeves, simple background, smile, u.a. school uniform, upper body, white background