The title track of this single marks Minami Takahashi's first time to hold an unshared choreography center position since 2006's "Sakura no Hanabiratachi". The B-side track "365 Nichi no Kamihikōki" is a gentle, medium-tempo song. It won Excellent Work Award in the 58th Japan Record Awards, Best Theme Song in 88th The Television Drama Academy Award and 11th Taisho Ryou Music Award.
Release
The single will be released in nine versions: Type A, Type B, Type C, Type D, and a version called a "Theater Edition". All versions, except the Theater Edition, include a DVD with four music videos and a video related to Minami Takahashi. For the first time since "Chance no Junban", AKB48 did not sell a million copies of a single within the first week after the release, breaking the so-called Million Streak that had started since "Everyday, Kachuusha". Kuchibiru ni Be My Baby still managed to sell a million copies after several weeks. "Kuchibiru ni Be My Baby" sold 905.490 copies in 2015, making it the 4th best selling single of the year, according to the Oricon.
Music video
The music video for the title track was directed by Eiki Takahashi, who had already directed several music videos for the group. The full version lasts for 13 minutes and was published along with the release of Kimi wa Melody. On, A Full version was released on official AKB48 YouTube channel.
Track listings
All lyrics were written by Yasushi Akimoto. The first two tracks are the same for all versions.
Type A
Type B
Type C
Type D
Theater Edition
Personnel
"Kuchibiru ni Be My Baby"
The senbatsu for the song consists of 16 members. The center is Minami Takahashi.
Team A's song. The "center" is Haruka Shimazaki & Sakura Miyawaki.
"Oneesan no Hitorigoto"
Team K's song. The "center" is Mion Mukaichi.
"Kin no Hane wo Motsu Hito yo"
Team B's song. The "center" is Rena Kato & Yuria Kizaki.
"Nanka, Chotto, Kyuu ni"
Team 4's song.
"Sakki Made wa Ice Tea"
The "Mushi Kago" for the song consists of 12 members. The "center" is Haruka Komiyama & Shu Yabushita.
Other versions
The Thai idol groupBNK48, a sister group of AKB48, covered the song "365 Nichi no Kamihikōki" and named it "Sam Roi Hoksip Ha Wan Kap Khrueangbin Kradat". First performed on 2 June 2017 at the group's debut event in Bangkok, the song was included on the group's debut single, "Aitakatta – Yak Cha Dai Phop Thoe", officially released on 8 August 2017.
MNL48, AKB48's sister group in the Philippines, made a Filipino version of the song "365 Nichi no Kamihikōki" and titled it "365 Araw ng Eroplanong Papel". This was the idol group's third single, which was released on 11 April 2019.
