Unbroken Promise

Aki has been captured by an unknown person after a little argument with Kyohei, Utau, Kirio, and Mahiru. Aki gets beaten up pretty badly and left to die. He reminisces about his past with Kyohei. At the about the same time Kyohei does too. Will Kyohei understand that the promise Aki made him when they were kids was never broken? Or... will Aki die before Kyohei understands?