There's a detail or two in there that kinda matches up to Botan being this week's reveal - that'd be quite the unexpected pick for the roster if it IS her. :
Botan (Kof) | Danbooru
Botan | The King of Fighters Wiki | Fandom
Botan | Wiki The King of Fighters Armageddon | Fandom
Alrededor de KOF - Botan, personaje misterioso de los de la tierra lejana Créditos del render EmmaKof | Facebook
Botan (The King of Fighters) - Desciclopédia
Botan | The King of Fighters Wiki | Fandom
Botan (Canon, The King of Fighters)/Unbacked0 | Character Stats and Profiles Wiki | Fandom
snk, The King of Fighters, botan / Botan - pixiv
Biografías SNK: Botan - KOF Universe
Botan | SNK Wiki | Fandom
Botan – KOF 98 UM OL NHẬT BẢN
Creator-Part Time Shuffle (Writer/Artist/Creator) on Twitter: "While we didn't have a reveal on the KOFXV side, we did get to see Hibiki in Samsho! For now, I give you Botan, a highly
Alrededor De KOF on Twitter: "Harukeshi o aquellos del pasado!! #KOF #SNK #KOFXIII https://t.co/pC81tLxp94" / Twitter
Botan - KOF Universe
Also Shishiro Botan in King of Fighters! KOF XV MOD - YouTube