YOU SAID:

we go like up till i sleep on your chest

INTO JAPANESE

まで、私はあなたの胸で寝るのようなを行く

BACK INTO ENGLISH

Until I sleep on your chest, such as going

INTO JAPANESE

私は行くなどあなたの胸で眠るまで

BACK INTO ENGLISH

I will go as far as to sleep on your chest

INTO JAPANESE

私はあなたの胸に寝るまで行きます

BACK INTO ENGLISH

I will go as far as to sleep on your chest