Broken Promise : r/Undertale

Promised Sans. by JoelMor on DeviantArt

Dusttale promised Sans by BrennoC on DeviantArt

Promised AU : r/Undertale

au where sans never made a promise to toriel and attacks frisk at the beginning of snowdin, regardless of their EXP : r/Undertale

Undertale Final Showdown:new promised sans sneak peak_哔哩哔哩bilibili

Sans! Promise 4 (flashback)

Sans-culottes in the Promised Land

Promised Sans by leshka2020 on DeviantArt

this is why i never make promises by Miyori999

Promises [ Sans x Frisk ] [UNDER EDITING] - ᗩTᗩᐯIᔕTIᑕii - Wattpad