This is "Jukushi" by Shogo Sato. I borrowed this after returning a replacement copy because I damaged the library's copy. I spilled tea from my water bottle in my bag, and there are stains on the top and bottom of the book, but the inside is clean and there is no problem reading it. - Title: Jukushi - Author: Shogo Sato - Publisher: KADOKAWA - Price: 1,850 yen Thank you for looking.