Bài hát: Promise Ring - Retasu-P, Kagamine Rin, Kagamine Len

[Len]
boku to kimi no deai wa
unmei no you ni kono machi kara hajimatta
hanasu tabi ni hikare
atte futari dake no michi ga dekimashita

[Rin]
anata no sono shigusa
hitotsu hitotsu ga tometo daisuki de
watashi wa anata to de
aeta kotoni kokorro kara kansha shitemasu

[Len] shiawasette nani darou?
[Rin] aitte nani darou?
[Len] ima, kimi to rareru koto ga
[Rin Len] souna no kamo shirenai ne

[Rin Len] kyou kara wa futari no michi o
sasae ai susunde ikou
[Len] hateshinaku tsudzuku
[Rin] kono michi o futari de
[Len] itsumade mo
[Rin Len] eien ni aruite ikou
[Len] kimi to hanareru to
[Rin] sugu ni aitaku naru yo
[Len] hajimete hito o konna ni mo
[Rin Len] suki ni nari mashita

[Len] kore kara
[Rin Len] saki nani ga atta to shite mo
futari wa itsumo isshou dayo
[Len] eien ni tsudzuku
[Rin] kono michi o futari de
[Len] itsumade mo
[Rin Len] eien ni aruite ikou

[Len]
kore kara saki mo zutto zutto
issho ni itai kara
futari de te o toriatte zutto zutto
aruite ikou

[Len] yoku kenka mo shite ne
[Rin] warai mo tae nakatta
[Len] sono tabi ni bokura futari no
[Rin Len] “ai” wa oukiku nari mashita

[Rin] kyou kara wa futari no michi o
sasae ai susunde ikou
[Len] hateshinaku tsudzuku
kono michi o futari de
itsumade mo
eien ni aruite ikou

[Len] kore kara
[Rin Len] saki nani ga atta to shite mo
futari wa itsumo isshou dayo
[Len] eien ni tsudzuku
[Rin] kono michi o futari de
[Len] itsumade mo
[Rin Len] eien ni aruite ikou

[Rin] kanashi toki wa itsumo yasashiku
[Rin Len] dakishimete kureta
[Rin] sonna anata to itsumade mo zutto zutto
[Rin Len] issho ni itai yo

[Rin Len]
furari wa eien ni...

[Rin] ima kara hajimaru
[Len] futari no monogatari zutto towa ni tsudzukimasu you ni
[Rin] ima made sasaete
[Len] kureta takusan no hitotachi ni kansha no kotoba o
[Rin] arigatou kore kara mo
[Len] zutto futari o mimamotte ite kudasai
[Rin] takusan no ai ni
[Len] tsutsumarete hajimaru kore kara ga futari no sutatto