I added a sans shimeji on my phone and turned duplicate feature on. It said that it will have a chance to duplicate itself. It's only 2 minutes and the result: :
Undertale - Sans shimeji [UPDATED] by Mirachaan on DeviantArt
Undertale - Shimeji Pack
Shimeji Undertale FREE | VK
Undertale Shimejis | Wiki | Undertale Amino
✧flowercorns✦ — MonoFell Sans Shimeji!
Dreamtale Sans (Undertale) Shimeji | Shimeji Browser Extension
goblin on Twitter: "so i got a sans shimeji and this is my desktop now https://t.co/EGlALGMTj3" / Twitter
Undertale - Shimeji Pack
Sans Shimeji - YouTube
Soriel Shimeji : r/Undertale
Undertale Shimeji Directory — stuffthatisirrelevant: i finished the sans...
Horrortale Sans Shimeji (DOWNLOAD) by CyberAngeldust on DeviantArt
Sans Shimeji [Free Download] by LuminousDazzle on DeviantArt