"what the hell!!!" Sans shouts pulling his pants up "uh.........." Grillby says ribbing his neak "SANS WHATS WRO-" papyrus says until he sees the expression on undynes face "we need to go....." Undyne says pulling papyrus outside and slamming the door "..." Sans grunts face filled with regret "wanna go to your room?" Grillby asks holding sans hand "ok...." Sans says walking up the stairs sans opens his door and sit on his bed grillby jumps on him playfully and kisses his head sans grabs grillby and flips him over and kisses his neak "n-no~" grillby says getting hard "uh is that......?" Sans says pausing "..." Grillby mumbles blushing sans touches it threw grillbys shorts "gah!~" grillby shouts in surprise sans rubs it and 'it' gets bigger grillby bites his lip and clenching his fist sans shoves his hand down grillbys pants and strokes 'it' and looking at grillbys expression grillby looked like he was happy and scared "you o-okay?" Sans says softly in grillbys ear giveing grillby chills up his spine "y-ye-yeah~" grillby says nervously sans strokeing faster and harder licks grillbys neak and biteing it and makeing grillby climax sans pulls his pants off and rubbing 'them' together like before then putting it at grillbys ass and looks at him grillby faintly nods his head and sans shoves it in slowly "f-fuck..." Grillby says laying his hand on his mouth "d-dose it hurt?" Sans asks "it feels more good then bad..." Grillby says "I-I'm gonna start moving" sans says gently "o-ok" grillby wispers biteing his lip sans does a slow trust in and out "oh..!~" grillby moans and twitches his legs "s-sorry" sans says "no it was just surpriseing" grillby says sans moves in and out a couple time and gose a little faster "o-oh g-go-God!!~" grillby blerts out closeing his eyes and blushing alot "f-fuck youre tight....." Sans says going faster sans grabs grillbys legs and pushing them back going deeper causeing grillby to roll his eyes back and tough out sans gose as fast as he can and as deep as he can and they both orgasm at the same time the sans lays on grillbys chest and falling asleep grillby falling asleep as well
