I'm 100% sure this list will change as the year goes on, but as of right now...
01. HEART STATION - Utada Hikaru
02. GUILTY - Ayumi Hamasaki
03. GAME - Perfume
04. Diary - Thelma Aoyama
05. Kingdom - Koda Kumi
06. THE FACE - BoA
07. Big☆Bang!!! - Shouko Nakagawa
08. Dolce - Ami Suzuki
09. WISH - Yuna Ito
10. I LOVED YESTERDAY - Yui
Honorable Mentions
:
+1 - Kaela Kimura
Lei Aloha - melody.
Stephanie - Stephanie