I can’t test the title:

Probably because there are always 10 epis listed per page:

Have you tried to open page 2 direct before analysis? - are the next 10 epi offered?
https://www.telasa.jp/series/15993?page=2
I can’t test this myself without unlimited viewing plan
btw: In log I see
[RFC.telasa] Fallback: extract episode IDs from HTML links.
[RFC.telasa] Fallback found episode count: 10