It's like Ichinose live above the Hellmouth, which keep churning to him girls who have a screw loose
It was with the best intention but, at the same time, it was the worst plan to be like "I'll keep the demon sealed at my side...oh god she whisper me some curse...she know I've feeling for her...I'm done, she got me". Instead, you know, just say to her "fuck off" and talk with his bro. But without bad communication, you can't keep running the business.
Next chapter, tale of past. Thanks for the tl