Alter is Yaji's nightmare.

Alter began to appear in Yaji's nightmares after the incident. In almost every nightmare, he reincarnates into those who are closer and closer to Yaji. Alter also often appears in his guise. Most often, Alter reminds Yaji of that day, trying in every possible way to offend him and he succeeds. But one day the nightmare was completely different. Alter appeared in his normal form and barely spoke. He calmly approached Yaji and began to reach for his face, but as soon as

he is kind, sympathetic and always ready to help. loves new acquaintances. He has a big and friendly family. he has two brothers and one sister. he loves and appreciates them very much, and also loves his parents, who accept him for who he is. Kokuju is the oldest in the family, and the youngest brother is 14 years old. Due to the fact that he has many relatives, he easily knows how to find a common language.
He respects and sincerely loves his friends. Although he sometimes jokes with them, he 

he is kind, sympathetic and always ready to help. 

Calm, reasonable, straightforward, not quick-tempered. He does not trust strangers, so he tries not to contact them. It is very difficult to gain trust from him, but if you try, he will be happy to be friends and communicate with you. Tries to take care of his appearance. If you enter his comfort zone, he will be ready to help you, listen to you. For six years he was tormented by nightmares with the same personality - Alter.Yaji is very smart and knows how to choose the right words. 