Here is The Professor Who Reads Love Stories chapter 18
Here is Mangadex link:
https://mangadex.org/title/d8ea47e9-0d6e-4fdd-b5b8-8198b24ec97f/the-professor-who-reads-love-stories
Here is Batoto link:
https://bato.to/series/87186/the-professor-who-reads-love-stories