A popular shojo manga series by Amin Okada, a complete set of 4 volumes. My Dad is a Worrywart Bunko Edition Comic Complete Set of 4 Volumes (Shueisha Bunko - Comic Edition) - Author: Amin Okada - Series: My Dad is a Worrywart - Number of volumes: 4 - I read the first volume partway through and have kept it at home since then. I am selling it because I am moving. Please purchase if you understand that it has been stored at home.