The anxiety in his heart made him wonder what to do. He said he was already afraid of Lan's horror, but the thought of Seichi's horror. Chanin realized that he was more afraid of the man than the person in front of him.
Since there is no guarantee that he can live a quiet life after this, run away.
The big man sighed, stood watching for a moment, his body still intact, and then decided to go back to his room, wait for Mamoru to come back the next day, and then report what happened. Since there is no contact with others, there is nothing he can do.
But at...