SKi-2-the best

 is the twenty-third album released by Seifuku Koujo Iinkai, and their second best-of album.

Disc 1

 * 1) Ima Koso Tachiagare
 * 2) ○ Denai Shoujo no x na Seikatsu
 * 3) Ame no Nichiyoubi
 * 4) Akuma no PTA
 * 5) Usagi-san no Koi Monogatari
 * 6) Shoshin no Lyricism
 * 7) Kokoro no Yukue
 * 8) Dancing with devil
 * 9) NO MAKE LEGEND
 * 10) ＬＯＶＥ×２
 * 11) Kuroi Hitomi

Disc 2

 * 1) Taiyou ga Ippai
 * 2) Uchira Youkina Kaizoku Musume
 * 3) Kodoku no Sekai
 * 4) Hikkoshi
 * 5) Dai San No Me
 * 6) Meguriai
 * 7) Sayonara e no Tabidachi
 * 8) Nanika no Tame ni
 * 9) Utatte Utatte! Odotte Odotte!
 * 10) Chikyuu ni Ai wo

Featured Members

 * Honda Hiroko (#1-2)
 * Hashimoto Mika (#1-1 #1-9 #2-1 #2-6 #2-8 #2-9 #2-10)
 * Inoue Yukiko (#2-1)
 * Kawano Tomomi (#1-3)
 * Miura Eriko (#1-5 #1-7 #2-1 #2-4 #2-8 #2-9)
 * Yoriai Ayumi (#2-1 #2-5 #2-8 #2-9 #2-10)
 * Akiyama Ayaka (#1-4 #1-8 #1-11 #2-1 #2-3 #2-7 #2-8 #2-10)
 * Namihira Makiko (#2-9)
 * Endo Maika (#1-6 #1-10 #2-4 #2-8 #2-9)
 * Nishibori Mako (#2-1 #2-9)
 * Yoshida Kozue (#1-11)
 * Hoshikawa Ririka (#2-10)
 * Kawano Reina (#1-11 #2-10)
 * Nakai Yuko (#2-9)