Here are the weekly CD & DVD sales rankings for January 17th - 23rd. "Vocalonexus feat. Hatsune Miku" is the second VOCALOID album which won the top spot in the weekly rankings.

Single CD
*2, 67,122 67,122 Kyou, Koi wo Hajimemasu "If"
*5, 12,869 12,869 K-ON!! Character Image Song Hirasawa Ui
*6, 12,321 12,321 Level E "Yume ~ Mugen no Kanata"
*8, 11,839 11,839 K-ON!! Character Image Song Suzuki Jun
*9, 11,598 11,598 K-ON!! Character Image Song Manabe Madoka
19, *4,192 *4,192 Kimi ni Todoke 2nd Season "Kimi no Todoke..." & "Wonderland"
28, *2,152 *2,152 Amagami SS "Koi no Yukue"
30, *2,127 *2,127 Amagami SS "Suteki na Aruhi"
34, *1,816 *1,816 Prince of Tennis "Valentine Kiss"
38, *1,772 56,473 Major S6 "Zutto Mae Kara"

Album CD
*1, 31,259 31,259 Hatsune Miku "Vocalonexus"
10, *6,235 32,842 Sakamoto Maaya "You can't catch me."
28, *3,512 25,163 Panty & Stocking with Garterbelt OST
46, *2,389 38,982 Kagamine Rin & Len "Evils Kingdom"

DVD
*1, 3,819 *3,819 K-ON!! vol.7 DVD ver.
*2, 3,036 42,693 Mobile Suit Gundam 00 The Movie: A Wakening of the Trailblazer DVD ver.

Source: Oricon Youtaiju