Board Thread:General Discussion/@comment-44056425-20200213100824/@comment-44056425-20200217030121

Well sensei had used the word: "Certain" and "accident" which can means that tgis was something happened for him without he wanted it to happen and if we can remember well all Kiju's experiments seriously started by experimenting on Guren's blood in light novel after novel 4. This is something that Kureto had mentioned directly