The single had two tie-ups: "Makenai Kokoro" was used as the theme song of the television drama , while "Day By Day" was used in commercials for Avex Artist Academy.[2] Band member Takahiro Nishijima featured as an actor in the seventh episode of Gakeppuchi no Eri.[citation needed]
Single contents[]
Six versions of the single exist: a CD only version, two DVD editions, and three store exclusive versions.[1] DVD edition A featured the music video for the song, while DVD edition B featured a documentary on the making of the music video for their previous single "Aitai Riyū."[1]
All versions feature "Makenai Kokoro" and "Day By Day", while only the CD only version features the group's cover of 's 1995 number 1 single, "Wow War Tonight (Toki ni wa Okose yo Movement)". The Mu-Mo exclusive versions each feature one of three live talk tracks, where the band members discuss the time since their debut in 2005.[1]
Track listings[]
CD-only version track listing
No.
Title
Writer(s)
Arranger
Length
1.
"Makenai Kokoro"
Kenn Kato, Mitsuhiro Hidaka, Tetsuya Komuro
Ats-
4:22
2.
"Day By Day"
Komuro, Hidaka
Saito
4:33
3.
"Wow War Tonight (Toki ni wa Okose yo Movement)" (WOW WAR TONIGHT ~時には起こせよムーヴメント~ "Wow War Tonight (Time Awakens, Movement)", cover.)