Good evening Naoto.
I already know that you almost forgot to blog and nearly got out of time today. I didn't think you came out of this question. What a surprise. It's a question to me.
Well, I belong to a circle called “peace badminton” now. I was playing soft tennis when I was in middle school. I was also playing badminton two days a week. One in the class and one in the weekends with my friend. So I can play badminton a little. What was good about “peace badminton” is that it's practice was once a week which is Wednesday. Not hard at all and you can go into the court whenever you like.
I'll say that you should take part in the club you like. Besides, we still have time. But you should hurry because the dead line for the club was probably end of this month.