Hmm ya know i've always wondered that myself, alex. it's been to long for me to remember but i feel like it was. and the animation style looks just like the show's.
I really want to buy Darling but its about 12500 yen for the Regular edition and 33000 yen for the Deluxe edition. Not really sure what's in the Deluxe, but either way I would have to save up or do a split