At first, Hikari had come back to Japan with the expectation that all of the man's children had moved on in their lives, accepting that Akiyuki was no more. However, he was proven wrong by the youngest daughter, Sylvia, who still fought for her father's well-deserved justice even when people told her otherwise, so he'd agreed to do the case so she got some closure, but it seemed that she already knew but wasn't ready to come to terms with it, and now Reiki Bushida had gone and harmed the one bright side he'd found to do a case in which he reached a lot of dead ends, so what if he was in love with the same woman a psychopath like Reiki Bushida also loved?