1화: 백혈구 1146번이 혈소판 개입이 필요한 모세혈관 사고 동안 백캡을 만나게 됩니다.

While chasing a germ that thinks it's cuteness will protect it, White-Blood-Cell-1146 meets Backward-Cap, a platelet training to get stronger. A sudden incident in the temple's area causes a breaking of capillaries, and the platelets must stop the internal hemorrage, with some coaxing from Megakaryocyte (cell that produces platelets).

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