Severe anemia (Hb: 9.7mg/dl) and neutropenia, normal kidney function, NT-proBNP, 7,664 ng/l, hs-cTnT, 22.4 pg/ml, urea (164 mg/dl), creatinine (3.67 mg/dl), IPF (9%), and LDH (546 IU/l)_> diagnosed as heart failure. Here, NPPB is linked to neutropenia.