Shinseki — No Ko To Wo Tomadirakara Full !!link!!

I'm assuming you're referring to the Japanese phrase "" (Shinseki no Ko to o Tomad Raka), which roughly translates to "The New Star's Child and the Thief".

Transfixed by her beauty and radiance, Kaito found himself unable to move, unable to commit the theft. Astra, sensing his presence, turned to face him. Their eyes locked, and in that moment, a strange connection was formed. shinseki no ko to wo tomadirakara full

The specific lyric line referenced in the request roughly translates to sentiments of confusion and the inability to articulate pain. I'm assuming you're referring to the Japanese phrase