1girl, 2boys, anniversary, black_hair, blonde_hair, brown_eyes, brown_hair, collar_x_malice, copyright_name, facing_another, facing_to_the_side, green_eyes, hat, hoshino_ichika_(collar_x_malice), long_hair, long_sleeves, looking_at_viewer, meko_(mekomekkome), multicolored_background, multicolored_eyes, multiple_boys, purple_eyes, red_background, saeki_yuzuru, short_hair, white_background, yanagi_aiji