Chapter 1:Beginning

**In undertale timeline**

Asgore and Gaster are Best friends but then..... asgore became king and then he has wife named toriel but then he and toriel have kids Asriel and chara ,Gaster became scientist and he can talk about windings but then......Gaster made two experiments , "hmmmm...i have two skeleton children and I found ancient mirror....." gaster with his glasses noddedand he was raised two skeleton children.

**12 year later**

Sans was 12 years old and his little brother papyrus was 7 years old, his little brother papyrus has more friends but sans doesn't have friends. During Two bullies of sans has followed at sans,sans was very very scared because he was afraid of bullies,two bullies behind of sans,one of his bullies looked at him and he said. "Hello freaking little skeleton and I want bully you more" sans looked at one of his bullies "sir....I can't fight you " another of his bullies punch him at wall but his ancient mirror has activated, sans was realizes, he went take control of child from stars,he is still angrily and rage.

" Y o u h a v e B a d T I m e" mysterious voice in sans body,he is still fighting with two bullies and he summon levitation and he snaps his fingers and he killing two of his bullies and blinked turned normal and he went tired and very tired and he looking at his little brother papyrus and papyrus is still shocked see his big brother's power "sans...why...you kill my friends...... sans is very shocked and he heard his little brother he did "I'm very sorry...what i did..." he started crying,papyrus hug his older brother and he calm him meanwhile gaster was arrive see his sons, "little boy.....you have powerful power" gaster looked at his sons "I dont have powers- he looked at papyrus "I saw my big brother has powers but he has inside of entity or witch demon soul power" papyrus looked at sans "what....." sans looks very scared and he calm down and he grab ancient mirror "I'm sooo confused about that mirror" sans confused "uhhhh...brother what are you talking?" Papyrus confused "nothing bro" sans looked at his little brother and he started talking "boys,talking is done and you 2 both gonna walking with me "Gaster started talk with boys "okay" both walked at his creation father"

**8 years later**

Player (human)comes in the underground, they walking , walking and walking talking more,player see flowey came "Hello human....." flowey has stopped talking meanwhile with snowdin route gribbly bar inside of gribbly bar "I need 4 ketchup,pls" sans asked at gribbly "...................." gribbly noticed at sans he walking and "......................" he grab 4 ketchup at sans ".thanks,gribbly" sans asked at gribbly again,15 minute later sans already 4 ketchup drinking and he went sleep "sansy~" someone in bar drunk and then bar's broke......"SAAAAAAAAAAAAAAAAAAAAAAAAAAANS,where are you?!" Tall screaming skeleton asked,its was papyrus he came and see sans,sans is already sleeping "Damn it,he already sleep for 7 years now,he didn't listen me" papyrus went grumpy,he talked himself and papyrus grab sans in papyrus shoulders and he and sans went sans house,inside of sans house and then...... papyrus trow sans at spaghetti table "zzzzz......" sans awake and he went silent "papy,where am I?...... he noticed that and he see papyrus's favorite food "okay,I eat spaghetti..h..e..l...p....m...e...." he trying to eat spaghetti,he doesn't like spaghetti much and he hate spaghetti for now "this is my ingredient favorite food recipoe for now" papyrus went cool "thanks....for....food!" Sans lying fo truth and he was sweating,He went teleported and he goes to bathroom and then he went vormit for now "this is disgusting........." sans looks not good and he goes to his room, he went sleeping and papyrus was eating his favorite food spaghetti and he went sleeping

**Next day before genocide route**

"Sans.....you need survive stay away from human [player] without your little brother papyrus" mysterious strange person in sans dreams,Sans very awake and yawn,he looked at his bedroom "I was dreaming about..strange person.....inside of my body" he thinks himself "goodmorning papyrus.....Human......" he looked at papyrus and human "whyyyyyyyy....bro you got human in my house?!" Sans noticed and screaming "calm down sans.....that human is nice" papyrus asked at sans "I dont believe you,that human is dangerous?!" Sans angrily and he took human and he and human goes to gribbly bar and inside of gribbly's bar" SIT NOW H U M A N" sans looked at human "okay..............pathetic,skeleton heh" human [player] "I know you are dangerous......P L A Y E R " sans asked "I gonna stuff for now, bye sans the skeleton" human asked,they is lying at sans and flew away "....Tssk,player" sans grumpy and he looked ancient strange mirror,he went drunk and sleeping during gribbly bar. And then behind of gribbly bar's mirror " i gonna plan killing everyone except sans,hahahahaha" human crazier and Flew away from gribbly bar.

**Before Genocide route begin**

Between in snowdin town and snowdin forest location Human was walking and looking at papyrus.....but papyrus wants hugs,human grab knife of his power,they wants kill papyrus and then sans was followed at human and he looking at his own little brother,he was shocked ,Scared and terrified see his little brother death and human sees sans and he said "WHAT YOU DID.... KILL PAPYRUS AND YOU..DIRTY ...BROTHER KILLER?!" And human(player) they said ..... and they killing everyone except sans,sans grabs his own little brother papyrus scarf and ancient unknown mirror too,Human continues killing monsters except sans,Human look at sans.

**In Genocide route (Now)**

he said "if you keep going the way you are now......you're gonna have a bad time." Sans warning to human [player]in genocide route,Sans stalks and introduces himself to [player]as usual but requests that they continue *pretending* to be a human. He does not comment on human turning around before he asks them to. Sans goes along with Papyrus's japery and does not appear as an NPC as he does on other routes. After the protagonist crosses the bridge before Snowdin Town, Sans warns them not to fight his brother or else they will "have a bad time." He then disappears and is absent until the Last Corridor.If human [player]aborts the Genocide Route by sparing Papyrus, Sans reappears at the Waterfall sentry station and tells human [player]he respects them for doing that. He continues to appear as he does on the Neutral Route but does not take human[player] to Grillby's since there is no one left in Snowdin.

Monsters everyone was killed by human (player), human goes to judgehall and human sees sans,Sans with red scarf was looking at human,he went serious and he said "human.... you kill everyone,you are not human anymore,you are player of that many timelines.. ....",human said "you did know?......" sans said alpyss told me "she thinks that is exist...... heh....." sans asked and he went teleports at last Corridor

**After human [player] killing all monster except sans**

Arrive Human [player] encounters Sans in the Last Corridor for his battle and then....Battle begins.

Chapter 2:Human [player] vs sans is To continue soon