Otona ni Narutte Muzukashii!!!

Otona ni Narutte Muzukashii!!! (オトナになるって難しい; Becoming an Adult is Difficult!!!) is the 4th and last indie single by S/mileage. The single was released on March 14, 2010. The Single V was released in April 3, 2010. It was also the ending theme to the anime Hime Chen! Otogi Chikku Idol Lilpri, which Maeda Yuuka, Wada Ayaka, and Fukuda Kanon voiced characters in.
==Tracklist==
===CD===
#Otona ni Narutte Muzukashii!!!
#Otona ni Narutte Muzukashii!!! (Instrumental)
===Single V===
#Otona ni Narutte Muzukashii!!! (MUSIC CLIP)
#Making Eizou (メイキング映像; Making the Video)
==Featured Members==
*Wada Ayaka
*Maeda Yuuka
*Fukuda Kanon
*Ogawa Saki
==Single Information==
;Otona ni Narutte Muzukashii!!!
*Lyrics, Composition, Chorus: Tsunku
*Arrangement, Programming, Guitar: Itagaki Yusuke
*Music Video: Takehisa Masaki
==Performances==
===Concert Performances===
*Hello! Project 2010 Winter Kachou Fuugetsu ~Mobekimasu!~
*2010nen Hello Pro Egg Norimen Live 2gatsu
*Special Joint 2010 Haru ~Kansha Mankai! Mano Erina 2 Shuunen Totsunyuu & S/mileage Major Debut e Sakura Sake! Live~
*Hello! Project 2010 Summer ~Fankora!~
*S/mileage 1st Live Tour 2010 Aki ~Devil Smile Angel Smile~
*℃-ute & S/mileage Premium Live 2011 Haru ~℃ & S Collaboration Daisakusen~ - Suzuki Airi, Okai Chisato, Wada Ayaka, Maeda Yuuka
*S/mileage 2011 Limited Live "S/mile Factory"
*S/mileage Concert Tour 2011 Aki ~Gyakushuu no Mini Skirt~
*ANGERME First Concert Tour 2015 Aki "Hyakka Ryouran" - Wada Ayaka, Fukuda Kanon (as part of a medley)
*Country Girls Live Tour 2016 Haru Natsu - Tsugunaga Momoko, Ozeki Mai, Yanagawa Nanami, Funaki Musubu
*Hello! Project Hina Fest 2017 - Country Girls
*Hello! Project Kenshuusei Happyoukai 2018 12gatsu ~Mikan~ - Onoda Saori, Akiyama Mao, Hashisako Rin, Shutto Anna
===Event Performances===
*[2019.06.02] ANGERME 26th Single "Koi wa Accha Accha / Yumemita Fifteen" Hatusubai Kinen Event "Wada Ayaka Solo Live" - Wada Ayaka
*[2019.06.07-08] ANGERME Wada Ayaka Fanclub Tour in Hakone ~Geijutsu no Tabi 2019~ - Wada Ayaka
*[2022.05.10] Morning Musume '22 Okamura Homare・Yamazaki Mei Birthday Event - Okamura Homare
==Oricon Chart Positions==
Total Reported Sales: 2,290
==Trivia==
*This is the only S/mileage indie single that was released under the UP-FRONT WORKS label.
==Videos==
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==External Links==
*Discography:
**Single: S/mileage (archived), Hello! Project, UP-FRONT WORKS, Tsunku.net
**Single V: S/mileage (archived), Hello! Project, UP-FRONT WORKS
*Wikipedia: Japanese
*Tsunku's Official Comments
*Lyrics: Otona ni Narutte Muzukashii!!!
cs:Otona ni Narutte Muzukashii!!!
da:Otona ni Narutte Muzukashii!!!
de:Otona ni Narutte Muzukashii!!!
es:Otona ni Narutte Muzukashii!!!
fr:Otona ni Narutte Muzukashii!!!
it:Otona ni Narutte Muzukashii!!!
ja:オトナになるって難しい!!!
Category:ANGERME Singles
Category:2010 Singles
Category:1st Generation S/mileage Singles In
Category:Indie Singles
Category:4 Members Line-Up
Category:2010 DVDs
Category:ANGERME DVDs
Category:2010 Single Vs
Category:Hime-chen! Otogi chikku Idol Lilpri Themes
Category:Theme Songs