A slot series can keep a familiar look across releases, but thumbnails and...

https://aged-wiki.win/index.php/How_Can_a_Slot_Series_Change_the_Setting_but_Still_Look_Familiar%3F

A slot series can keep a familiar look across releases, but thumbnails and small catalog images may hide what changed. Learn to tell a series name from a specific title, and check the rules each time, even when the art looks familiar.