Killer Smile

 is the debut album released by principal!.

Tracklist

 * 1) OVERTURE
 * 2) Mugen☆Chuunibyou Kairou (夢幻☆厨二病回廊)
 * 3) Koi Emaki Shichihenge (恋ゑ巻七変化)
 * 4) Hazukashigariya no I LOVE YOU (恥ずかしがり屋のI LOVE YOU)
 * 5) BRANDNEW WONDERLAND
 * 6) Killer Smile (キラースマイル)
 * 7) Melody Gazer
 * 8) final fanfare
 * 9) Summer Vampire Girl (サマーヴァンパイアガール)
 * 10) Hito Shizuku no Sepia (ひと雫のセピア)

Featured Members

 * Arisa
 * Arisu
 * DJ Goichii
 * Hachuri

Trivia

 * Summer Vampire Girl is a rerecording of sister group Esoragoto†Twinkle's single of the same name.