After raping Chelle roshi decided to go to the New universe soon as he reached there he immediately knew where he was this is the equestria world he saw a school and decided to become a teacher there.
He found the science lab and saw a Pink haired girl she wore a white tank top with her pony counterpart's cutie mark, a 3-shaded pink rah-rah skirt, a blue-ribboned headband in her hair with a heart on it, white pantyhose, and pink and blue strapped sandals with a pink heart on them.
Roshi walk up to pinkie and said ( hi my name is Roshi the new science teacher here is there anything I can help you with)
Hello my Pinkamena Diane Pie although you can call me pinkie pie my grades are going down I'll do anything to bring it up she said
Well there is one thing you can do if you have sex with me I'll bring you grades up) roshi said
Pinkie Pie, seeing this was her chance, obliged roshi told her to strip down until she was in her panties and bra.
Pinkie Pie began to strip down and she removed her White tank top revealing her pink bra. Next she took off her shaded pink rah-rah skirt and white pantyhose leaving Pinkie Pie in Pink panties.
Roshi looked pleased and went behind Pinkie Pie and ripped off her bra letting her breast plop free.
He told Pinkie Pie to suck his dick Pinkie Pie pulled down his pants to reveal his erect dick Pinkie Pie then performed oral sex.
He pulled down Pinkie Pie pink panties and pushed his dick in Pinkie Pie pussy causing her to moan this continued for 20 minutes until he cum in Pinkie Pie pussy.