futari no kankei
futari no SYSTEM
futari no keiyaku
futari no bouryoku
futari wa aishiatte
nikushimiai kishiau
sore de oshimai

kitto futari wa yoku oniaidane
kodomo mitai ni naka ga ii shi ne
sousa futari wa ii COMBI mitai
kitto futari wa

futari wa ENNUI
futari wa tanpaku
futari wa mondai
futari wa shinkoku
futari wa tagaini kuchi mo
kikazu tada
nikushimiai
soshite wakareru

kitto futari wa yoku oniaidane
kodomo mitai ni naka ga ii shi

dare mo kimi no koto nado
shiranai shi
dare hitori kiminante
aite ni shinai sa
dare ni mo aisarezu ni ikiru no wa
tatoeba donna kibun?
oshiete okure yo

refrain

futari no genjitsu
futari no kairaku
futari no tengoku
futari no genmetsu
futari no waisetsu
futari wa heikin
futari wa kanzen
futari wa saiaku
futari wa otagaini tada
nonoshiriai
uragiriai subete oshimai

refrain

iya ni naru hodo
yoku niteru futari

refrain

kitto futari wa futari kiri sa

refrain