Rule 34 Dev - 1boy 2girls big_sister bioshock bioshock_(series) bioshock_2 blind crossover full_body greyscale hair_over_one_eye highres ikezawa_hanako katawa_shoujo konflikti little_sister_(bioshock) monochrome multiple_girls parody ponytail round_eyewear satou_lilly scarf setou_kenji smile striped_clothes striped_scarf|3148530489