Michael Kaiser, a young upper middle class who has feelings for his childhood friend. But he is afraid to express his feelings, and the Hanahaki Disease attacks him. Sometimes his chest hurts, and he coughs and vomits flower petals. But he keeps hiding this from the girl, he has to choose between confessing his feelings, or having Hanahaki removed by surgery From his lungs and forgetting the girl, so will his feelings for her?..will he be honest and tell the truth?