I don't Know How to love

　　I don't Know How to kiss

　　I don't Know How to feel it

　　I don't Know How to be a girl

　　I don't Know How to grow up

　　I don't Know I'm in the dark

　　I don't Know and I Don't care

　　I don't Know... I don't Know...

　　Kinou no yoru nanika okita nokasae

　　Omoidasenai dou demo ii youni nattekita koro

　　Nemuru mae ni makura ni kao wo

　　Uzumeru mae ni denwa shite

　　Ai shite hoshii ki ga mukaita toki ja nakute

　　Itsumo mainichi kiss shite

　　I don't Know How to love

　　I don't Know How to kiss

　　I don't Know How to feel it

　　I don't Know How to be a girl

　　I don't Know How to sleep

　　WIZ out you I don't know

　　I don't Know How to smile

　　I don't Know... I don't Know...

　　Manatsu no taiyou no shita de atsuku daite ne

　　Koyubi wo karamasete sunahama de jarete ne

　　Omoidette kotoba KIRAI na no ima wa

　　Suki na no wa anata no kuchibiru

　　Natsu ni de aitai tondeikitai

　　Dareka ni shitte moraitai

　　I don't Know How to love

　　I don't Know How to kiss

　　I don't Know How to feel it

　　I don't Know How to be a girl

　　Natsu ni de aitai tondeikitai

　　Dareka ni shitte moraitai

　　Dare no tame na no nanno tame na no

　　Tokidoki wakaranakunaru

　　Nemuru mae ni makura ni kao wo

　　Uzumeru mae ni denwa shite

　　Ai shite hoshii ki ga mukaita toki ja nakute

　　Itsumo mainichi kiss shite

　　Sunao ni naritai sugao ni naritai

　　Te iu koto wa xxxxxxx

　　Sunao ni naritai sugao ni naritai

　　Te iu koto wa xxxxxxx