white blood cell (cells at work! code black)

hakkekkyuu u-1146 "white blood cell" (白血球 u-1146番) - cells at work! (hataraku saibou) (はたらく細胞)

white blood cell - hataraku saibou black

hakkekkyuu u-1196 "white blood cell" (白血球 u-1196番) - cells at work! code black! (hataraku saibou black) (はたらく細胞black)