My laptop got stolen -- no font collection or Illustrator files to figure this out. Thanks.
Identifizierter Font
Gautami Vorgeschlagen von SashiX 
any Arial alike fonts will do the trick, so... this one could be Gautami easily

(and it's already on your PC)
So you didn't made this. I thought you have added those bubbles with Illustrator. You just wrote that

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