Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Koki Tsuyuzaki <k.t.the-answer@hotmail.co.jp>’
  
  New maintainer:
    Koki Tsuyuzaki <k.t.the-answer@hotmail.co.jp>
  Old maintainer(s):
    January Weiner <january.weiner@gmail.com>

No changes to worse in reverse depends.