Eldridge rocking her Elin hips and thighs. The tiny dress cannot contain her bottom.

Hard to say who is that pink-haired girl. Someone in discord stated that could be U-81, but she looks more loli-er than normal.

T34/38 said:

Hard to say who is that pink-haired girl. Someone in discord stated that could be U-81, but she looks more loli-er than normal.

Twintails and hair/eye color matches. She looks shorter because the dress' design that hides most of her torso, like in the Tranquil Serenade one.

Rathurue said:

Twintails and hair/eye color matches. She looks shorter because the dress' design that hides most of her torso, like in the Tranquil Serenade one.

Yeah. I checked pixiv and some note that was her.