Youmu Konpaku 

Konpaku Youmu, or Youmu, is a half-human half-phantom from the Touhou Project series whose ability is to wield swords... yeah.

Looks 16, acts 16, and is might as well be 16, but is actually around 60, and is the servant, gardener, and "swordsmanship instructor" of a ghost royalty named Saigyouji, Yuyuko (FN, GN).

Due to her "half and half" nature along with her straightforward, diligent, and somewhat immature personality, she is often described as "half-baked" or "half-trained", and is usually the butt of Yuyuko's jokes.

Her weapons of choice are two Japanese swords; the Roukanken, and the Hakurouken. The former is an extremely long katana/nodachi, and is said to be capable of killing ten phantoms in one slice. The latter is a shorter wakizashi-styled sword that is capable of cutting through confusion.

Extra Info & Trivia:
- Due to her half and half nature, her body temperature is lower than a human's, but warmer than a phantom's.
- Her phantom nature also makes her age at a much slower rate compared to humans.
- Her ghost half is commonly referred to as Myon.
- Her spell card titled: Hell Realm Sword "200 Yojana in One Flash", implies that she can travel 15-30 kilometers in roughly 1/30th to 1/15th of a second, equating to approximately Mach 229k, or Mach 27k in Gensokyo, which is hella fast.
- Said spell card, it also implies that she doesn't skip leg day, hence why her legs look relatively toned in fan arts.
- A top-tier waifu in general, need I say more?

"I'm Youmu Konpaku. I work as a fencing swordsmanship instructor and gardener at Hakugyokurou in the Netherworld. I'm a half- human half-phantom, and people say I'm half-baked, but I train daily so that I can get better at gardening and swordsmanship" - A portion of her introduction from Touhou LostWord

Yuyuko: "Youmu~, be a dear and prepare some snacks, I'm hungry."
Youmu, baffled: "B-but Lady Yuyuko, you just had lunch three minutes ago!"
Yuyuko: "The past is the past, and the present is the present. Now off you go."
Youmu: "Y-yes, Lady Yuyuko. I'll get right to it."
Yuyuko: "Mmm, make the portions slightly larger this time around too."
Youmu, exasperated: "Understood... *sigh*"

Youmu Konpaku by Seminark June 18, 2021