Mystery Night! / Eighteen Emotion
Regular Edition A
Single by S/mileage
Native title ミステリーナイト!/エイティーン エモーション
Released April 30, 2014
May 31, 2014 (Event Vs)
Genre J-Pop
Format CD Single, CD+DVD, Event V, digital download
Length 15:57
Label hachama hachama
Producer Tsunku
S/mileage Singles Chronology
Previous Ee ka!? / "Ii Yatsu" 15th Major Single (2013)
Next Aa Susukino / Chikyuu wa Kyou mo Ai wo Hagukumu 17th Major Single (2014)
Other Covers

Regular Edition B

Limited Edition A

Limited Edition B

Limited Edition C

Event V "Mystery Night!"

Event V "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).[1] The limited editions came with an event lottery serial number card.


Smileage - Mystery Night! (MV) (Promotion edit)

Smileage - Mystery Night! (MV) (Promotion edit)

Mystery Night! (Promotion Edit)

Smileage - Eighteen Emotion (MV) (Promotion edit)

Smileage - Eighteen Emotion (MV) (Promotion edit)

Eighteen Emotion (Promotion Edit)


Regular Edition A, Limited Editions A & CEdit

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

Regular Edition B, Limited Edition BEdit

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

Limited Edition A DVDEdit

  1. Mystery Night! (Music Video)

Limited Edition B DVDEdit

  1. Eighteen Emotion (Music Video)

Limited Edition C DVDEdit

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

Event V "Mystery Night!"Edit

  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"Edit

  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 MembersEdit

Smileage mystery night

S/mileage promoting Mystery Night!

Smileage eighteen

S/mileage promoting Eighteen Emotion

Single InformationEdit

Mystery Night!
Eighteen Emotion
  • Lyrics and Composition: Tsunku
  • Arrangement & Programming: Itagaki Yusuke
  • E. Guitar: Itagaki Yusuke, Kamada Koji
  • Chorus: Fukuda Kanon
  • Dance Choreography: Yamashiro Yoko
  • Music Video: Aoki Ryoji


TV PerformancesEdit

  • [2014.05.01] The Girls Live (Eighteen Emotion)
  • [2014.05.02] Music Dragon (Mystery Night!)
  • [2014.05.04] Music Japan (Mystery Night!)
  • [2014.05.08] The Girls Live (Mystery Night!)
  • [2014.06.19] The Girls Live (Eighteen Emotion)
  • [2014.10.02] The Girls Live (Eighteen Emotion)
  • [2015.08.07] The Girls Live (Eighteen Emotion)

Concert PerformancesEdit

Mystery Night!
Eighteen Emotion

Event PerformancesEdit


  • March 21, 2014: Hamamatsu City, Shizuoka Prefecture (Handshake, Mini-Live)[2]

Chart PositionsEdit

Oricon ChartEdit

Daily & Weekly Rankings
Mon Tue Wed Thu Fri Sat Sun Week Rank Sales
6 2
4 6 3
2 34,340
32 46 33 - - - - 56 1,047
31 - - - - - - 116 416
- - - - - - - Out for 1 week.
10 - - - - - - 81 813
Monthly Rankings
Year Month Month Rank Sales
2014 April 11 [3] 34.340
Yearly Rankings
Year Year Rank Sales
2014 186 36,616

Total Reported Sales: 36,616

Other Chart RankingsEdit

Highest Position
Japan Billboard Japan Adult Contemporary Airplay  54 [4]
Billboard Japan Hot Singles Sales 4 [5]
Billboard Japan Hot 100 14 [6]


  • 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 had the highest ranking out of all their S/mileage singles, reaching #2 on the weekly ranking.

Additional VideosEdit


External LinksEdit

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