Miyu- high school slut

Characters:

Takeru (M, 18): the main character. He is an 18 year old high school senior. His parents suddenly divorced after 20 years of marriage.

Miyu (F, 18): Takeru's new stepmother and also his classmate. She has dyed pink hair and amber eyes. She has a reputation for being easy to fuck. Takeru's father first hired her for compensated dating after splitting from Takeru's mom. After two weeks of non-stop fucking they got married.

Shusaku (M, 41): Takeru's father. He has a boring office job. He was married to his high school sweetheart Yuhako for 20 years but they got divorced and he married one of his son's classmates.

Yuhako (F, 41): Takeru's mother. She is a beautiful and kind woman. She doesn't resent Miyu even though she is now married to her ex husband.

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[Classroom]

Takeru: (angry) what do you want from me?

Miyu: (flirty) I'm your stepmother now Takeru-kun. You should try to get along with me.

Takeru feels very angry. Miyu is a huge slut and fucked half the boys in class. She even slept with married men for money. How could his dad marry a slut like her? Weren't he and mom high school sweethearts married for 20 years??

Takeru: (angry) I want nothing to do with you.

Miyu: (smiles, shows him a positive pregnant test): You have to because I'm pregnant with your half brother or sister.

Takeru can't believe it. Miyu was pregnant with his father's baby! He remembers staying with his dad first after the divorce and listening to him loudly having sex with Miyu every night. Takeru moved in with his mom soon after so he didn't have to hear his dad railing the biggest slut in his class. And now she is pregnant???

Takeru: (suspicious) how do you even know it's dad's?

Miyu: (smirk) I was always on pills before marriage so I didn't get in trouble. I stopped taking them and asked Shusaku to shoot lots of cum into my pussy after we became husband and wife. This is your dad's baby there's zero doubt of it.

Takeru: (angry) I still don't want anything to do with you.

Miyu: why do you hate me so much?

Takeru: because you're a slut that fucked almost everyone in class!

Miyu: (teasing) now I get it! You're mad because I fucked everyone else but didn't fuck you!

Takeru: that's not it!

Miyu: (flirty) alright I'll let you fuck me! You won't have to worry about condom and you can cum inside my pussy as many times as you want!

Takeru: what???

Miyu: I'm already pregnant so it's not like you can get me more pregnant. I'll let you fuck me bareback and in exchange you'll get along with me and be a good big brother to my baby. Deal?