Conclusion to the Battle of Love and Hatred

Akatsuki and Mailreit injure Renbart's hand during a demolition work, so Phoron and Corticarte are sent to replace Renbart until the job's done. However, it seems that Akatsuki is protecting the house and doing every possible to prevent the group from tearing it down. Could the old burnt house have something to do with Akatsuki's past and why he hates Mailreit?