Delivering carbon dioxide to the lungs, and bringing oxygen to cells throughout the body... That’s Red Blood Cell’s important task. Though she’s still directionally-challenged and always losing her way, she can’t be a fledgling forever. She’s determined to go through Circulation by herself without any help from the older cells, but in the shadows, White Blood Cell (Neutrophil) watches over her with a worried look on his face.

• Yuuko Kakihara
• Ken'ichi Suzuki
• Kenichi Suzuki

• Kikuko Inoue
• Kana Hanazawa
• Tomoaki Maeno