My Dog My Master 04 Haruharu Exclusive

Advanced cleaning of Japanese text and high-resolution scanning.

You might be thinking of the Precure doujinshi series. There are very famous fan comics featuring Haruharu that involve similar themes. If you are looking for the fourth installment of a popular Haruharu fan comic, that would be the "Episode 04" you are seeking, but it would not be the official My Dog My Master animation. my dog my master 04 haruharu exclusive