Kuchiyakusoku (口約束) / (Akimoto Manatsu, Sakurai Reika, Nakada Kana, Wakatsuki Yumi)

Itsuka kareshi ga dekita tte
Zettai watashi wa kawaranai
Jodoushi no yuujou wo
Yuusen suru tte chikaou yo.

Moshimo kyuu ni
Yosoyososhiku natte
Youji ga aru no to
Ii hajimetara
Nukekake wo suru
Uragirimono me to
Nakayoshi GURUUPU wo
Jomei suru RUURU.

Sonna
Kuchiyakusoku de
Moriagatta ano hi
Mada wakakatta shi
Honto ni sou omotta
Zutto kono mama
Ima no kono kankei ga
Tsuzuku mono tte shinjiteta
Daiji na tomo yo.

Shita no ne mo kawakanu uchi ni
Jijou kawatte shimatta ne
Yagate itsumo no nomikai mo
Yotei awanaku natte kita.

Dotakyan shitari
Hayaku kaeranakya to
SUMAHO wo chirachira to
Ki ni shite mitari
Uso ya himitsu wo
Hakujou shinaku naru
Nakama ni made kakusu
Shiawase no PUROSESU.

Soshite
Aru hi totsuzen
Kachihokotta mitai ni
Kitto iun deshou?
Gomen kekkon suru tte
Masaka anta ga
Yosou gai no junban
Haibokukan ajiwau wa
Yoku aru hanashi.

Onna no ko dattara
Nerau desho?
Tomodachi e no SAPURAIZU
Saki ni kekkon suru tte
Iitakute
Sou kachigumi e
Ashinuke shiyou.

Sonna
Kuchiyakusoku de
Moriagatta ano hi
Mada wakakatta shi
Honto ni sou omotta
Zutto kono mama
Ima no kono kankei ga
Tsuzuku mono tte shinjiteta
Daiji na tomo yo.

Aru hi totsuzen
Kachihokotta mitai ni
Kitto iun deshou?
Gomen kekkon suru tte?
Dakedo minna de
Omedetou to iu wa
Wazatorashiku hohoende
Saki wo kosareta.