This is ArKnight ロスモンティス, also known as "Rosmontis", a resource pack

Imagine the scene: Rosmontis, a Rhodes Island Elite Operator, appears unexpectedly in your Minecraft world. Now she can enter your virtual office! Lucky she doesn't carry her combat gear this time, so you don't have to worry about her memory recalling who ate those snacks yesterday. Probably... Either that, or we can always hope.

Key Features:

Over 20 Japanese voice lines, fully voiced Animated character expressions and reactions Dynamically animated 3D model with impressive motion Two unique appearance variations to choose from

Important Notes:

Sound lines may get a little too repetitive if you overuse actions You will need to have Optifine installed for everything to work properly

Prepare for some adorable adventures!