Koi No Hitsuyou-Juubun Jouken (Necessary And Sufficient Conditions Of Love)
Mihoshi:
Zutto matte ita no
Konna hi o
Itoshii ano hito to
Hajimete no christmas
Te zukuri no kekki ga
Puresento na no
Aijyou kome nagara
Yaite iru no yo
Washu:
Sonna koto shite mo
Arigatasa o
Ninshiki saseru no wa
Muzukashii no yo
Ichinichi no karorii
Hyaku ni osaete
Kiga jyoutai ni surya
Kouka wa bai yo
Hitsuyou ga subete no michi o hiraku
It's a truth!
Kagakuteki taido de koisuru no yo
Mihoshi:
Teami no seetaa mo
Ageru no yo
Hantoshi mo maekara
Ande ita no yo
Washu:
Mainasu gojuu-do no
Reiki o okuri
Kaze o kojira sereba
Kouka wa bai yo
Hitsuyou ga ai no michi o hiraku wa
It's a truth!
Kagakuteki taido de kachi nuku no yo
Sore ga koi da wa
Mihoshi:
Kimochi no manma
Yurarete itai wa pukapuka
Moyamoya shiteru dake de
Suteki na no
Washu:
Hitsuzen o hito wa ai to nazuketa
It's a truth!
Mihoshi:
Muzumuzu shiteru dake de
Wakuwaku yo
Kitto koi yo ne
Washu:
Kagakuteki taido de koisuru no yo
It's a truth!
Mihoshi:
Funyafunya shitete
Tokechai sou da wa
Both:
I wish you a merry christmas
I wish you a merry christmas