The timeless and absolutely gorgeous Love-Me Chain!
It looks like Tadano was involved in the opening portion of the stock, though it doesn't look totally like her style; perhaps she corrected the shots?
The detailed hair and high quality animation of it also reminds me of Ando's work on the Crescent Beam.
Yup, very 'Ando'-like hair!
This looks very Tadano.
However for what follows is purely Hasegawa.
You can see his face, fingers, legs/thighs, his skirt and even hair (from the S Opening).
Hasegawa was truly
THE CHAMELEON of the team!
He could totally master be it Tadano's style and sublimate it, as well as Itoh's S era (via the Opening and the uncorrected Ending shots) and even SuperS style (if the Flame Sniper & Oak Evolution are indeed by him).
Which really baffles the mind why he suddenly went rogue with that very Cowboy Bepop-like style for the beginning of SuperS.
Look at the animation of her hands! It looks so natural and life-like!
The feel of weight when she waves her hands down