User blog comment:IamJakuhoRaikoben/Chapter 383: Surfer Lucy, Review./@comment-24748439-20140510013721/@comment-4829046-20140511081207

I don't know how you got that calculation but yeah, now you see my concern. The contacting Yukino is the best move and would also stop people from complaining how Lucy didn't take Yukino's keys. :D