Kyla, it's a rant about blood type and what it brings to a person. Daisuke they claim is A type, with "good" points as:
-being quite a considerate person, thinking about others with tenderness
-respond with hospitality towards other people's ideas
-he likes cleanliness
-able to give the answers that everybody hopes for
-he can make a distinction
-and endure everything
.. and the "bad" points as
-he obeys his superior easily but he is using his power against his followers
-he can look fine but in fact being not fine inside
-his personality can be not light but dark
-he is disappointed in his love life for a long time
-sometimes he falls into a state of frustration
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No comments from me on this rant ^.