Rule 34 Dev - 1girl 3boys animal_ears arknights black_hair chain czerny_(arknights) ebenholz_(arknights) flower glasses grey_hair hair_ornament hibiscus_(arknights) hibiscus_the_purifier_(arknights) highres horns kreide_(arknights) long_hair multiple_boys necktie official_art pointy_ears purple_eyes purple_hair red_hair|16332774471