People followed Sequels to Yaoi I’ve Read page 1

https://www.reddit.com/r/books/comments/b0a4iw/terms_used_to_describe_the_number_of_books_in_a/?rdt=52786

2 books Duology

3 books Trilogy

4 books Tetralogy

5 books Pentalogy

6 books Hexology

7 books Heptalogy

8 books Octology

9 books Ennealogy

10 books Decology

11 books Undecology

12 books Dodecology

13 books Tridecolo

14 books Tetradecology

15 books Pentadecology

16 books Hexadecology

17 books Heptadecology

18 books Octodecology

19 books Nonodecology

20 books Icosology