The "Yokohama Leaf Blood Donation Room" is a hot topic as a "blood donation room where you can drink delicious coffee." It has a bright atmosphere, and even people who have never donated blood can put it in without tension. Blood collection time is 10 to 15 minutes for whole blood donation and 40 to 90 minutes for component blood donation depending on the amount of blood collected. Why don't you help someone with the cooperation that you can feel free to do?