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.)

Event V "Mystery Night!"

 * 1) Mystery Night! (Wada Ayaka Solo Ver.)
 * 2) Mystery Night! (Fukuda Kanon Solo Ver.)
 * 3) Mystery Night! (Nakanishi Kana Solo Ver.)
 * 4) Mystery Night! (Takeuchi Akari Solo Ver.)
 * 5) Mystery Night! (Katsuta Rina Solo Ver.)
 * 6) Mystery Night! (Tamura Meimi Solo Ver.)

Event V "Eighteen Emotion"

 * 1) Eighteen Emotion (Wada Ayaka Solo Ver.)
 * 2) Eighteen Emotion (Fukuda Kanon Solo Ver.)
 * 3) Eighteen Emotion (Nakanishi Kana Solo Ver.)
 * 4) Eighteen Emotion (Takeuchi Akari Solo Ver.)
 * 5) Eighteen Emotion (Katsuta Rina Solo Ver.)
 * 6) Eighteen Emotion (Tamura Meimi Solo 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~
 * Hello! Project 2014 SUMMER ~KOREZO!~ (as part of a medley)
 * S/mileage LIVE 2014 Natsu FULL CHARGE ~715 Nippon Budokan~
 * S/mileage Concert Tour 2014 Aki ~FULL CHARGE~
 * Eighteen Emotion
 * S/mileage Live Tour 2014 Haru ~Smile Charge~
 * Hello! Project 2014 SUMMER ~KOREZO!~
 * S/mileage LIVE 2014 Natsu FULL CHARGE ~715 Nippon Budokan~
 * S/mileage Concert Tour 2014 Aki ~FULL 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!")
 * [2014.05.08] The Girls Live (performing "Mystery Night!")
 * [2014.06.19] The Girls Live (performing "Eighteen Emotion")
 * [2014.10.02] The Girls Live (performing "Eighteen Emotion")

Single Information

 * All lyrics and composition: Tsunku


 * Mystery Night!
 * Arrangement & Programming: Hirata Shoichiro
 * Violin: Tatsuki- TAGAYA
 * Chorus: Fukuda Kanon
 * Eighteen Emotion
 * Arrangement & Programming: Itagaki Yusuke
 * E. Guitar: Itagaki Yusuke & Kamada Koji
 * Chorus: Fukuda Kanon

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 their YouTube channel, the English title was originally misspelled "Mistery Night". It was eventually fixed.
 * This single had the highest first-week sales of all S/mileage singles.
 * This single's Making-of Films were uploaded on their Youtube channel and not added on the Limited Edition DVDs.
 * This single currently has the highest ranking out of all of their singles, reaching #2 on the weekly ranking.

Oricon Chart
Total Reported Sales: 36,616