SadKiller!Sans(Tears)

Tears is an alternate Version is of killer that during one of his genocide runs he incountered a strange door and entered .
What he saw was a familiar figure. Seeing this Figure had returned all the former emotions of his guilt , regret and sadness he felt.
This caused his DT to be corruptted and filled it was replaced by all his neglected emotions of Sadness, Regret and Guilt.
Due to this he rejected Charas offer and now kills everyone not for fun but rather to ruin the human chances of having fun and will keep on killing until they leave the underground and not Reset or if they surrender their soul to Asgore to set the monsters free.
Info about Tears:
-He has steaks of blue that replace the streaks of hate 
-His soul has a blue outline with a blue circle in the middle-Part of the Terrific Time Trio with FearfulHorror!Sans and Hound Sans
-He can't reset but has an influence over them stopping it as long as he wants