{{CD Infobox
|#^infoboxcolor1^# = Smile
|#^infoboxname^# = Ee ka!? / "Ii Yatsu"
|#^infoboxJapanese^# = ええか!?/「良い奴」
|#^infoboxCover^# = Eeka-r.jpg
|#^infoboxCaption^# = #^RegularEdition^#
|#^infoboxCover2^# = {{OtherCoversTabber
|LA||Eeka-la.jpg
|LB||Eeka-lb.jpg
|LC||Eeka-lc.jpg
|LD||Eeka-ld.jpg
|EV1|#^EventV^# "Ee ka!?"|Eeka-ev1.jpg
|EV2|#^EventV^# "'Ii Yatsu'"|Eeka-ev2.jpg}}
|#^infoboxCaption2^# =
|#^infoboxtype^# = #^Single^#
|#^infoboxartist^# = [[S/mileage]]
|#^infoboxalbum^# =
|#^infoboxreleased^# = 18 #^December^# 2013
11 #^January^# 2014 (#^EventV^#)
|#^infoboxgenre^# = J-Pop
|#^infoboxformat^# = #^CD^# #^Single^#, #^CD^#+#^DVD^#, #^EventV^#
|#^infoboxlength^# = 17:03
|#^infoboxlabel^# = {{LinkBug|hachama}}
|#^infoboxproducer^# = [[Tsunku]]
|#^infoboxLast^# = [[Atarashii Watashi ni Nare! / Yattaruchan]] 14#^Ordinalth^# #^MajorSingle^# (2013)
|#^infoboxNext^# = [[Mystery Night! / Eighteen Emotion]] 16#^Ordinalth^# #^MajorSingle^# (2014)
}}
'''Ee ka!? / "Ii Yatsu"''' (ええか!?/「良い奴」) 15#^Ordinalth^# #^MajorSingle^# [[S/mileage]].
==#^Tracklist^#==
[[#^File^#:Smileage - Ee ka!? (MV)|thumb|right|220 px|S/mileage - Ee ka!? (MV)]]
[[#^File^#:Smileage - "Ii Yatsu" (MV)|thumb|right|220 px|S/mileage - "Ii Yatsu" (MV)]]
===#^CD^#===
#Ee ka!?
#"Ii Yatsu"
#Ee ka!? (Instrumental)
#"Ii Yatsu" (Instrumental)
===#^DVD^#===
====#^LimitedEdition^# A====
#Ee ka!? (Music Video)
#"Ii Yatsu" (Close-Up Ver.)
#Ee ka!? (Making Film)
====#^LimitedEdition^# B====
#"Ii Yatsu" (Music Video)
#Ee ka!? (Close-Up Ver.)
#"Ii Yatsu" (Making Film)
====#^LimitedEdition^# C====
#Ee ka!? (Dance Shot Ver.)
#Ee ka!? (Dance Shot Ver. Satsuei Shuuryou Chokugo Comment) (Dance Shot Ver.撮影終了直後コメント)
#"Ii Yatsu" (Dance Shot Ver.)
#"Ii Yatsu" (Dance Shot Ver. Satsuei Shuuryou Chokugo Comment) (Dance Shot Ver.撮影終了直後コメント)
===#^EventV^# "Ee ka!?"===
#Ee ka!? (Wada Ayaka Solo Ver.)
#Ee ka!? (Fukuda Kanon Solo Ver.)
#Ee ka!? (Nakanishi Kana Solo Ver.)
#Ee ka!? (Takeuchi Akari Solo Ver.)
#Ee ka!? (Katsuta Rina Solo Ver.)
#Ee ka!? (Tamura Meimi Solo Ver.)
===#^EventV^# "'Ii Yatsu'"===
#"Ii Yatsu" (Wada Ayaka Solo Ver.)
#"Ii Yatsu" (Fukuda Kanon Solo Ver.)
#"Ii Yatsu" (Nakanishi Kana Solo Ver.)
#"Ii Yatsu" (Takeuchi Akari Solo Ver.)
#"Ii Yatsu" (Katsuta Rina Solo Ver.)
#"Ii Yatsu" (Tamura Meimi Solo Ver.)
==#^FeaturedMembers^#==
*#^1stGen^#: [[Wada Ayaka]], [[Fukuda Kanon]]
*#^2ndGen^#: [[Nakanishi Kana]], [[Takeuchi Akari]], [[Katsuta Rina]], [[Tamura Meimi]]
==#^TVPerformances^#==
;Ee ka!?
*[2014.04.03] [[The Girls Live]]
;"Ii Yatsu"
*[2014.04.10] [[The Girls Live]]
==#^ConcertPerformances^#==
;Ee ka!?
*[[Naruchika 2013 Aki ℃-ute x S/mileage]]
*[[S/mileage Live Tour 2013 Aki ~Smile Charge~]]
*[[Morning Musume Concert Tour 2013 Aki ~CHANCE!~]]
*[[Hello! Project COUNTDOWN PARTY 2013 ~GOOD BYE & HELLO!~]]
*[[Hello! Project 2014 WINTER ~GOiSU MODE~]]
*[[S/mileage Live Tour 2014 Haru ~Smile Charge~]]
*[[Hello! Project Hina Fest 2014 ~Full Course~]]
*[[S/mileage LIVE 2014 Natsu FULL CHARGE ~715 Nippon Budokan~]]
*[[S/mileage Concert Tour 2014 Aki ~FULL CHARGE~]]
;"Ii Yatsu"
*[[S/mileage Live Tour 2013 Aki ~Smile Charge~]]
*[[Forest For Rest ~Satoyama • Satoumi e Ikou~ SATOYAMA & SATOUMI with Yuuki no Tsubasa]]
*[[Morning Musume Concert Tour 2013 Aki ~CHANCE!~]]
*[[Hello! Project COUNTDOWN PARTY 2013 ~GOOD BYE & HELLO!~]]
*[[Hello! Project 2014 WINTER ~DE-HA MiX~]]
*[[S/mileage Live Tour 2014 Haru ~Smile Charge~]]
*[[Hello! Project Hina Fest 2014 ~Full Course~]]
*[[S/mileage LIVE 2014 Natsu FULL CHARGE ~715 Nippon Budokan~]]
*[[Hello! Project 2014 SUMMER ~YAPPARI!~]] (#^PartOfAMedley^#)
*[[S/mileage Concert Tour 2014 Aki ~FULL CHARGE~]]
==#^SingleInformation^#==
#^CreditsLyrics^#, #^CreditsComposition^#: [[Tsunku]]
#Ee ka!?
#*#^CreditsArrangement^#, #^CreditsProgramming^#: [[Kondo Keiichi]]
#*#^CreditsElectricGuitar^#: [[Kamada Koji]]
#*#^CreditsChorus^#: Fukuda Kanon, Takeuchi Akari, [[CHINO]], Tsunku
#"Ii Yatsu"
#*#^CreditsArrangement^#, #^CreditsKeyboard^#, #^CreditsProgramming^#: [[Okubo Kaoru]]
#*#^CreditsChorus^#: Fukuda Kanon, Takeuchi Akari, CHINO
==#^OriconChartPositions^#==
{{OriconStart}}
{{OriconWeek|-,5/7563,3/11215,8,8,6,6,3/33320}}
{{OriconWeek|8,-,-,-,-,-,-,36/2306}}
{{OriconWeekOnly|108/447}}
{{OriconWeekOnly|191/204}}
{{OriconOut|1}}
{{OriconWeek|-,-,-,13,-,-,-,93/628}}
{{OriconWeekOnly|200/238}}
{{OriconFinish}}
'''#^OriconTotal^#:''' 37,141#^OriconTotalPost^#
==#^AdditionalVideos^#==
Smileage - Ee ka!? (MV) (Dance Shot Ver.)|Ee Ka!? (Dance Shot Ver.)
Smileage - "Ii Yatsu" (MV) (Dance Shot Ver.)|"Ii Yatsu" (Dance Shot Ver.)
==#^ExternalLinks^#==
*#^Discography^#: [http://wayback.archive.org/web/20140830000000/http://s-mileage.jp/discography/detail_00175/ S/mileage (#^archived^#)], [http://www.helloproject.com/release/detail/HKCN-50333/ Hello! Project], [http://wayback.archive.org/web/20141207000000/http://www.up-front-works.jp/discography/hachama/15/s_16/index.html UP-FRONT WORKS (#^archived^#)], [http://www.tsunku.net/producework.php?Music_ArtistID=130&@DB_ID@=579#01 Tsunku.net]
*[http://wayback.archive.org/web/20140830000000/http://s-mileage.jp/info/7001 #^EventVAnnouncement^# (#^archived^#)]
*#^Wikipedia^#: [http://ja.wikipedia.org/wiki/ええか!%3F/「良い奴」 #^Japanese^#]
*#^LinkLyrics^#: [http://projecthello.com/smileage/eeka.html Ee ka!?], [http://projecthello.com/smileage/iiyatsu.html "Ii Yatsu"]
{{S/mileage}}
[[en:Ee ka!? / "Ii Yatsu"]]
[[ja:ええか!?/「良い奴」]]
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[[#^Category^#:#^CatYearDVDPre^#2013#^CatYearDVDPost^#]]
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