[regression] No. 2 Type B leggings not correctly displaying "butt enhancement"

[testname]

Date of issue: since 10/12/2019
Frequency: all time
World name: Twintania
Character name@Home World name: Nana T'nina@Twintania
Retainer name: -
NPC name: -
Monster name: -
Class/Level: All
Party or solo: -
In-game time: -
Area and coordinates: -
Housing: -

Steps:
1. Put on = Hooded Fireglass Leather Vest
2. Put on = No.2 Type B Leggings
3. Take off = Hooded Fireglass Leather Vest
4. Put on = Hooded Fireglass Leather Vest
5. Take off = Hooded Fireglass Leather Vest


Keep watching how the "No.2 Type B Leggings" is changing the original shape

I don't know what happened, but after update, my glamour looks broken, here is screen shot

It looks like some bug changes shape of my outfit

I am very sad about it happening like this v_v