"Doing good comes at a cost."

Output in chapters 自分 watches 相手's bout. Amazed, she talks to 相手 who teaches her. 自分 learns from 相手 and they bond. Dol arises and attacks them. He puppeteers 相手, forcing 自分 to defeat their mentor and cease the control but at the cost of wiping 相手 from existence. 自分, whose innocence is gone, visits 相手's grave and embarks on a journey to stop Dol.