Omg. I remember the day Hana Haru was released and I read the first chapter, my first thought was "wasn't the mother of the Wolf Children also named Hana?"!!!!
*But I mean the artist Yu.: https://www.animenewsnetwork.com/news/2017-09-24/wolf-children-ame-and-yuki-manga-artist-yu-passes-away/.121799
(Keep confusing with artist and author if 2 persons are working on it ^^")
Hook (and How The author draws The Wolves) looks exactly like The Father form ame & yuki The Wolf children(⊙…⊙ )