artbooksnat: Concept art from Wolf Children (おおかみこどもの雨と雪) illustrated by character designer Yoshiyuk
artbooksnat: Concept art from Wolf Children (おおかみこどもの雨と雪) illustrated by character designer Yoshiyuki Sadamoto (貞本義行), who is also the artist behind the character designs for Evangelion, FLCL, Summer Wars and the Girl Who Leapt Through Time. -- source link