Prolouge

This story takes place at the end of legion mate !!. After Aichi return's back ,but something is not right with him . How can Kai handle this situation and his feelings.
What has happened to aichi and, what will Kai do to get him back . Will his feelings reach aichi , or will he fail to save him in time!! .(Kaichi) and traces of void×aichi and kourinxaichi