Synopsis
“We’d better not let my sis see us like this…”
My girlfriend’s younger twin sister has somehow become my new stepsister?!
“You sound really nervous right now. You’re just so adorable, bro.”
It’s been a month since I’ve started dating Haruka, my first ever girlfriend. We even finally reached first base today—holding hands!
“What a bad boyfriend you are. To think you’re daydreaming about your little sister while you’re holding hands with your girlfriend, of all people!”
Today’s also special for a different reason—my dad’s getting remarried, which means I get a new stepsister. Her name is Shigure, and she’s pretty much the spitting image of Haruka. That’s no surprise though, given that she’s actually Haruka’s long-lost twin sister! Due to family circumstances, they were split up at birth.
“It’s okay, bro. I look exactly like sis does, right down to… well, you know. I don’t blame you at all.”
Her presence adds a new, twisted form of love that tangles itself into our protagonist’s passionate love life! He can’t possibly tell his girlfriend what’s been going on!
Be sure to check out this saucy romcom with a raunchy and rather needy stepsister!
LN information (.epub)(official) 
Genre: Comedy, Drama, Ecchi, Romance, School Life, Slice of Life
Volume 01 or (Mirror)
Next volume est. TBD
Password: thatnovelcorner.com
I hope they keep the lewd hand holding.
drunk me like 2 years ago be like:
Today on “I can’t believe it’s not NTR”.
The author really has some heavy fetishes though, it seems he really wanted an NTR story he could enjoy so the one sister that’s lusting after her sisters boyfriend really should be the mc, she has that ugly bastard energy going after our bitch mc that can’t forget that kiss.
For a minute, I misread that as “I Killed My girlfriend’s little sister”.
Now THAT would be a great premise for a novel!
So I wonder if she’ll go, “Help step bro, I’m stuck.”?
NTR?