to be colorful

It's a japanese tv series describing women of four blood types- A, B, AB, O. Actually the blood type issue is quite popular these times. As one korean comics author published one book about blood types and it becomes a best-seller (actually my bro bought one too). Is there really that many differences between the four blood types? Maybe there's some. But, I think every person has his/her own very characteristics. The specialty of each person is obvious. This tv series just points out the big differences, but it doesn't apply to all people. If anyone is interested in blood types, it surely is a good introduction.