Samurai Iajutsu animation slightly bugged with Pyros Blade

The Iajutsu animation on Samurai ( Sword sheath part of the animation ) doesn't show properly when using Pyros blade ( even only as glamour ).

Date & Time: 21/06/2021 ( 10:05am )
Frequency: Everytime Iajutsu is used
World name: Lich
Character name: Fina Saori
Retainer name: /
NPC name: /
Monster name: /
Class/Level: Samurai level 80
Party or solo: Solo/Party
In-game time: 400 days
Area and coordinates: Anywhere ( Discovered while i was at Mist )
Housing: /
Device : Computer ( Windows 10 )
Steps:
1. Pick Samurai class
2. Pick Pyros blade as main weapon ( Or cast a glamour of the Pyros Blade on the Samurai weapon you wanna use )
3. Use any Iajutsu ( Higanbana, Tenka Goken or Midare Setsugekka )

Example : https://www.youtube.com/watch?v=on5U9HlN6jA