Prince Blueblood watched as his parents left for their date....he begrudgingly cancelled his date with Coco Pommel. He was having to baby sit his little half sister and she was about thirteen and he was eighteen. Her small frame was attractive for a filly and he and his cousins played with her; and he knew Loli felt uneasy and asked if their form of play was normal and okay.
Loli was in the game room watching cartoons so he went to join her. The first thing that caught his eye when he saw her on the floor eyes fixated on the screen was her tight little ass and her firm petite and yet muscular pegasus frame. He felt his cock getting erect just looking at her. He trotted and then lay beside her. He drew her close to his barrel and nuzzled her mane. "Blueblood....were you looking at your stuff again?"
"Nah....just looking at you sister. Wanna be a good girl and stay up later than your curfew?"
"Sure..why not?" Loli rolled over and faced her half brother and slid her body closer to him. His erect cock against her barrel. "Want me to suck you off again? Or do you want to be inside of me?"
"I'll do all the work this time." With that being said he stood in front of her, and after they shifted so she still could see the TV he began to slide his erect dick along her face. He was pacing himself slowly and attempting to last at least 10 minutes before sending his cum along his sister's face.
Damn his luck their parents had texted and said that they were coming earlier than planned due to some food poisoning. Blueblood quickened his pace and then a sticky substance became apparent as his climax drew closer.
"C'mon bruh! Mom and dad will be home in like 8 minutes and I'd like to have cleaned up by then."
"Shut up Loli! You just want me to hurry up and jizz on your pretty face...you naughty little filly." That moment he climaxed and emptied himself of four consecutive loads onto Loli's face. Blueblood took a few pictures and sent them to his friends at the university.
Meanwhile.....
"By kids have a fun night and Blueblood don't let Lollipop stay up to late."
"I won't" was the reply from their son. The parents had left and began to get into the carriage to go on their date.
"Two-Bit....I am happy to see my young daughter getting along so well with your son. However, I feel like my daughter is closer than is appropriate. Over Hearth's Warming Eve I overheard her joking with her friends at a coffee shop; she was joking about how her stepbrother and step cousins needing to work on their bedroom endurance."
"I see....well Shilling, of you so wish we can talk to them about their relationship. I raised my son to be a better stallion than being one who sleeps with is sister or any mare just for kicks. Then again as you know because I lay the book open about my family generational curses, I knocked up my cousin and my half sister.....Blueblood may be prone to do the same.
Hearth's Warming Eve 1 yr Earlier
Blueblood and his cousins stood around their new half cousin or rather their new step cousin and she was pretty to look at. Lollipop had introduced herself as Loli and the cousins as always were talking dirty and being crass. She undid the blouse she was wearing and gently caressed her wings on the nearest cousin. "No one pony knows we're in the west wing of this mansion...let's have some fun boys." The lads eagerly prepped themselves and produced condoms. "Lads...we won't need those, I already know that I'll never be able to get pregnant. I'm fucking thirteen and had been tested after my birth-father had sex with me. Hell my teachers did it with me and nothing happened! To keep it clean let's keep it oral; just in case I need to swallow the evidence...and let's keep at least one look out."
Blueblood voluntarily went last and as he orgasmed, he put a hoof behind Lollipops head and pulled it forward. For being a teenager and should be considered as a young mare, Lollipop was a filly in her immature body. After an hour they rejoined the rest of the festivities. The female cousins had dragged Lollipop or Loli as she was being called into a bedroom and paid her bits to join in some lesbian face-sitting. Lollipop obliged in letting them use her. So the life of Lollipop continued...a simple plaything for Blueblood and whenever their parents weren't home, sex was a usual fall back.
The Present
The parents decided that the food poisoning was out of Two-Bit's stomach and let the kids know they weren't coming home just yet. Lollipop by this time saw Blueblood head to his bedroom to read a book.
Loli gently climbed in with him and began to suck his cock again. After a while Blueblood convulsed and wrapped his back legs around his sister as he pulled her head all the way down his shaft and until her throat bulged and let his load loose.
"Damn! Why do you have to be so good at this?"
"Simply because I enjoy it, and I can get some great bits through it all." The siblings enjoyed some intercourse until they decided to clean themselves up from their romp. In the shower, Blueblood held his sister close and let her clean him, her small hooves caressing his frame was making him erect again. He sperm soaked Lollipop's barrel. He hastily began to washer her mane and body.
Lollipop tilted her head back and gave Blueblood a kiss...the kiss of a lover. "Pray to Celestia mom and dad don't ever find out about us or we're never gonna be allowed any alone time."
"Too late you two...we now know. However move over a little we need to shower as well!"