Summary: > It was the season when the cicadas crowed. Seven men and women gather in a certain building. The seven were strangers and visited this building with their weaknesses seized by a mysterious person named Dante. An eerie mask on the wall begins to speak, \"You will kidnap a certain person from now on.\" This is a story in which those who have weaknesses are forced to kidnap. I can\'t escape ... Because I was able to hold my life.