{{CD Infobox
|#^infoboxcolor1^# = Smile
|#^infoboxname^# = Mystery Night! /
Eighteen Emotion
|#^infoboxJapanese^# = ミステリーナイト!/エイティーン エモーション
|#^infoboxCover^# = MysteryNight-r.jpg
|#^infoboxCaption^# = #^RegularEdition^#
|#^infoboxCover2^# = {{OtherCoversTabber
|RB||MysteryNight-rb.jpg
|LA||MysteryNight-la.jpg
|LB||MysteryNight-lb.jpg
|LC||MysteryNight-lc.jpg
|EV1|#^EventV^# "Mystery Night!"|MysteryNight-ev1.jpg
|EV2|#^EventV^# "Eighteen Emotion"|MysteryNight-ev2.jpg}}
|#^infoboxCaption2^# =
|#^infoboxtype^# = #^Single^#
|#^infoboxartist^# = [[S/mileage]]
|#^infoboxalbum^# =
|#^infoboxreleased^# = 30 #^April^# 2014
31 #^May^# 2014 (#^EventV^#)
|#^infoboxgenre^# = J-Pop
|#^infoboxformat^# = #^CD^# #^Single^#, #^CD^#+#^DVD^#, #^EventV^#
|#^infoboxlength^# = 15:57
|#^infoboxlabel^# = {{LinkBug|hachama}}
|#^infoboxproducer^# = [[Tsunku]]
|#^infoboxLast^# = [[Ee ka!? / "Ii Yatsu"]] 15#^Ordinalth^# #^MajorSingle^# (2013)
|#^infoboxNext^# = [[Aa Susukino / Chikyuu wa Kyou mo Ai wo Hagukumu]] 17#^Ordinalth^# #^MajorSingle^# (2014)
}}
'''Mystery Night! / Eighteen Emotion''' (ミステリーナイト!/エイティーン エモーション) 16#^Ordinalth^# #^MajorSingle^# [[S/mileage]].
==#^Tracklist^#==
[[#^File^#:Smileage - Mystery Night! (MV)|thumb|right|220 px|S/mileage - Mystery Night! (MV)]]
[[#^File^#:Smileage - Eighteen Emotion (MV)|thumb|right|220 px|S/mileage - Eighteen Emotion (MV)]]
===#^CD^#===
====#^RegularEdition^# A, #^LimitedEdition^# A & C====
#Mystery Night!
#Eighteen Emotion
#Mystery Night! (Instrumental)
#Eighteen Emotion (Instrumental)
====#^RegularEdition^# B, #^LimitedEdition^# B====
#Eighteen Emotion
#Mystery Night!
#Eighteen Emotion (Instrumental)
#Mystery Night! (Instrumental)
===#^DVD^#===
====#^LimitedEdition^# A====
#Mystery Night! (Music Video)
====#^LimitedEdition^# B====
#Eighteen Emotion (Music Video)
====#^LimitedEdition^# C====
#Eighteen Emotion (Dance Shot Ver.)
===#^EventV^# "Mystery Night!"===
#Mystery Night! (Wada Ayaka Solo Ver.)
#Mystery Night! (Fukuda Kanon Solo Ver.)
#Mystery Night! (Nakanishi Kana Solo Ver.)
#Mystery Night! (Takeuchi Akari Solo Ver.)
#Mystery Night! (Katsuta Rina Solo Ver.)
#Mystery Night! (Tamura Meimi Solo Ver.)
===#^EventV^# "Eighteen Emotion"===
#Eighteen Emotion (Wada Ayaka Solo Ver.)
#Eighteen Emotion (Fukuda Kanon Solo Ver.)
#Eighteen Emotion (Nakanishi Kana Solo Ver.)
#Eighteen Emotion (Takeuchi Akari Solo Ver.)
#Eighteen Emotion (Katsuta Rina Solo Ver.)
#Eighteen Emotion (Tamura Meimi Solo Ver.)
==#^FeaturedMembers^#==
*#^1stGen^#: [[Wada Ayaka]], [[Fukuda Kanon]]
*#^2ndGen^#: [[Nakanishi Kana]], [[Takeuchi Akari]], [[Katsuta Rina]], [[Tamura Meimi]]
==#^TVPerformances^#==
;Mystery Night!
*[2014.05.02] Music Dragon
*[2014.05.04] Music Japan
*[2014.05.08] [[The Girls Live]]
;Eighteen Emotion
*[2014.05.01] The Girls Live
*[2014.06.19] The Girls Live
*[2014.10.02] The Girls Live
==#^ConcertPerformances^#==
;Mystery Night!
*[[S/mileage Live Tour 2014 Haru ~Smile Charge~]]
*[[Hello! Project Hina Fest 2014 ~Full Course~]]
*[[Hello! Project 2014 SUMMER ~KOREZO!~]] (#^PartOfAMedley^#)
*[[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~]]
==#^SingleInformation^#==
#^CreditsLyrics^#, #^CreditsComposition^#: [[Tsunku]]
#^CreditsChorus^#: [[Fukuda Kanon]]
#Mystery Night!
#*#^CreditsArrangement^#, #^CreditsProgramming^#: [[Hirata Shoichiro]]
#*#^CreditsViolin^#: Tatsuki- TAGAYA
#Eighteen Emotion
#*#^CreditsArrangement^#, #^CreditsProgramming^#: [[Itagaki Yusuke]]
#*#^CreditsElectricGuitar^#: Itagaki Yusuke, [[Kamada Koji]]
==#^OriconChartPositions^#==
{{OriconStart}}
{{OriconWeek|6,2/16238,2/6734,4,6,3/2208,3/2345,2/34340}}
{{OriconWeek|32,46,33,-,-,-,-,56/1047}}
{{OriconWeek|31,-,-,-,-,-,-,116/416}}
{{OriconOut|1}}
{{OriconWeek|10,-,-,-,-,-,-,81/813}}
{{OriconFinish}}
'''#^OriconTotal^#:''' 36,616#^OriconTotalPost^#
==#^AdditionalVideos^#==
;Mystery Night!
Smileage - Mystery Night! (MV) (Dance Shot Ver.)|Dance Shot Ver.
Smileage - Mystery Night! (Making Eizou)|Making Eizou
;Eighteen Emotion
Smileage - Eighteen Emotion (MV) (Dance Shot Ver.)|Dance Shot Ver.
Smileage - Eighteen Emotion (Making Eizou)|Making Eizou
==#^ExternalLinks^#==
*#^Discography^#: [http://wayback.archive.org/web/20140830000000/http://s-mileage.jp/discography/detail_00186/ S/mileage (#^archived^#)], [http://www.helloproject.com/release/detail/HKCN-50359/ Hello! Project], [http://wayback.archive.org/web/20141207000000/http://www.up-front-works.jp/discography/hachama/15/s_17/index.html UP-FRONT WORKS (#^archived^#)], [http://www.tsunku.net/producework.php?Music_ArtistID=130&@DB_ID@=596#01 Tsunku.net]
*[http://wayback.archive.org/web/20140830000000/http://s-mileage.jp/info/7425 #^EventVAnnouncement^# (#^archived^#)]
*#^Wikipedia^#: [http://ja.wikipedia.org/wiki/ミステリーナイト!/エイティーン_エモーション #^Japanese^#]
*#^LinkLyrics^#: [http://projecthello.com/smileage/mystery.html Mystery Night!], [http://projecthello.com/smileage/eighteen.html Eighteen Emotion]
{{S/mileage}}
[[en:Mystery Night! / Eighteen Emotion]]
[[ja:ミステリーナイト!/エイティーン エモーション]]
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[[#^Category^#:#^CatGroupDVDPre^#ANGERME#^CatGroupDVDPost^#]]
[[#^Category^#:#^CatYearSinglePre^#2014#^CatYearSinglePost^#]]
[[#^Category^#:#^CatYearDVDPre^#2014#^CatYearDVDPost^#]]
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