どのくらい小さな箱ならば入ることを諦めるのでしょうか。When Maru found a smaller box, do you think that he gives up entering? http://sisinmaru.blog17.fc2.com/
どのくらい小さな箱ならば入ることを諦めるのでしょうか。When Maru found a smaller box, do you think that he gives up entering? http://sisinmaru.blog17.fc2.com/