This was what I could find:

April 2019 - Kushina Uzumaki

March 2019 - Orochimaru [Akatsuki]

Feburary 2019 - Kiba [New Year]

January 2019 - Konohamaru [Shippuden]

December 2018 - Naruto [Suit]

November 2018 - ???

October 2018 - Zaku

September 2018 - Tsunade [Sannin War]

August 2018 - Orochimaru [Sannin War]

July 2018 - Kankuro [GNW]

June 2018 - Shizune

May 2018 - Shino [GNW]

April 2018 - Hebihime [Amber]

March 2018 - ???

Feburary - Ino [GNW]

January 2018 - Itachi [Anbu]

December 2017 - Sasuke/Sasuke Breakthrough Books

November 2017 - Choza

October 2017 - Lee [GNW]

September 2017 - Sakura [GNW]

July 2017 - Sakura