Asymmetric midi dress from Japan

Bought from a small boutique in Tokyo in 2020, no size tag on the garment, they were separated on sizing racks. Possibly a local designer. Back is shorter than the front! A kind of unique asymmetric style. Worn twice, just got bored of it. Measurements: Chest/PTP: 14.5 inches flat, 18 stretched Waist: 9 inches flat, 14 stretched (pure elastic) Length: 33 inches at the back, 41 at the front