File:Shishiro Botan 3rd Anniversary Merch Illustration by Kaoruko.jpg

Summary
Source: https://twitter.com/kooork55/status/1712063370986397846 outfit design: https://twitter.com/kooork55/status/1712064564286849262 Shop: https://shop.hololivepro.com/en/products/shishirobotan_an3rd