World record in 01h 4m 52s by KatTouhouCategory on speedrun.com
Start with a 0-reset fresh game. Complete the Genocide route.
Changed: Time begins on "YES" during name selection and ends on choosing "ERASE" or "DO NOT" against the fallen child.
A video of your run is required in your submission.
Editing save files in any shape or form is automatic disqualification.
For restrictions regarding game modifications, read this: pastebin.com/RNEHxRiC