Shards of your heart / Kotowari: Kimi no Kokoro no Koboreta Kakera

 In childhood, Mishiro Tsuina was saved by a stranger from a mysterious mystical creature from the afterlife, but the boy was wounded in his hands and lost a part of his soul. Along with his soul, he also lost his memory. That mysterious girl named Kazamidori took responsibility for his upbringing, but soon she was gone, she died in battle with another mystical creature called Kotowari. After entering high school, he meets a classmate Yuigahama Yuki, who is incredibly similar to Kazamidori. This meeting will be fatal for him and change his life forever...

 

 Added Anistar voice acting