Mystery Night! / Eighteen Emotion

'''Mystery Night! / Eighteen Emotion''' (ミステリーナイト！／エイティーン エモーション) is S/mileage's 16th major single. It was released on April 30, 2014 in 5 editions: 2 regular and 3 limited editions. The first press of the regular editions came with a random trading card of 7 kinds depending on the jackets (14 in total). The limited editions came with an event lottery serial number card.

Regular Edition A, Limited Editions A & C

 * 1) Mystery Night!
 * 2) Eighteen Emotion
 * 3) Mystery Night! (Instrumental)
 * 4) Eighteen Emotion (Instrumental)

Regular Edition B, Limited Edition B

 * 1) Eighteen Emotion
 * 2) Mystery Night!
 * 3) Eighteen Emotion (Instrumental)
 * 4) Mystery Night! (Instrumental)

Limited Edition A DVD

 * 1) Mystery Night! (Music Video)

Limited Edition B DVD

 * 1) Eighteen Emotion (Music Video)

Limited Edition C DVD

 * 1) Mystery Night! (Dance Shot Ver.)
 * 2) Eighteen Emotion (Dance Shot Ver.)

Featured Members

 * 1st Gen: Wada Ayaka, Fukuda Kanon
 * 2nd Gen: Nakanishi Kana, Takeuchi Akari, Katsuta Rina, Tamura Meimi

Concert Performances

 * Mystery Night!
 * S/mileage Live Tour 2014 Haru ~Smile Charge~
 * Hello! Project Hina Fest 2014 ~Full Course~
 * Eighteen Emotion
 * S/mileage Live Tour 2014 Haru ~Smile Charge~

Promotion
Release Events=
 * March 21, 2014: Hamamatsu City, Shizuoka Prefecture (Handshake, Mini-Live)
 * -|Television Appearances=
 * [2014.05.01] The Girls Live (performing "Eighteen Emotion")
 * [2014.05.02] Music Dragon (performing "Mystery Night!")
 * [2014.05.04] Music Japan (performing "Mystery Night!")

Single Information

 * All lyrics and composition: Tsunku


 * Mystery Night!
 * Arrangement: Hirata Shoichiro
 * Eighteen Emotion
 * Arrangement: Itagaki Yusuke

Trivia

 * Tsunku said in a tweet that one of the outfits was "erotic". After a fan replied that he preferred a "cute" outfit, Tsunku respond "there's that, too".
 * Fukuda Kanon said that "Mystery Night!" isn't a typical S/mileage song.
 * On YouTube UFP! has "Mystery Night" spelled as "A Mistery Night".

Chart Positions
Total Reported Sales: 34,340*