Let's Be Adult

itsu datte ongaku ni muchuu de gokigen mitai ne ichinichichuu atama no naka wa sore bakkari ne itsu datte oshare ni muchuu de kodomoppoi no ne ichinichichuu kagami no mae de poozu totteru maa ii deshou sore wa sou ka mo kangaete mo ne taisetsu na koto nante nani mo nai kedo otona ni narimashou otona ni narimashou yo otona ni narimashou nee otona ni narimashou yo itsu datte shigoto ni muchuu de oki no dokusama ichinichichuu hatarakizumete ikarippoi no ne itsu datte koibito ni muchuu de oai ni kusama ichinichichuu atama no naka wa are bakkari ne maa ii deshou sore wa sou yo ne kangaete mo ne taisetsu na koto nante nani mo nai kedo otona ni narimashou otona ni narimashou yo otona ni narimashou nee otona ni narimashou yo Always, You're absorbed in music, You seem so happy, huh? All day long Inside your head That's all there is, huh? Always, You're absorbed in fashion, Looking childish All day long In front of the mirror Posing Well, I guess it's okay That it's that way. Even if I think of other important things it's nothing Let's be adult Let's be adult Let's be adult Hey, let's be adult! Always, You're absorbed in work, You poor thing All day long You keep working You're so cranky Always, You're absorbed with your sweetheart, You want her but can't have her All