Chapters 37 and 38 are duplicates. It skips right over 38 and goes to the post battle scene of ch.39.
A Returner's Magic Should Be Special 2020-05-09
Chapter 13 doesn't exist on here on server 1 or 2. Here is a secondary link just in case. https://mangatx.com/manga/a-returners-magic-should-be-special/chapter-13/
Lady Baby 2020-05-02
Chapter 54 is just a link to chessmoba website for games >:I