My Stepsister is My Ex-Girlfriend Novel by Kamishiro Kyousuke is also Popular by Names Mamahaha no Tsurego ga Motokano datta, My Stepmom’s Daughter Is My Ex and My Stepsister is My Ex-Girlfriend. Here is Where you can read Complete Novel Online.
A certain boy and girl in middle school became a couple, flirted with each other, disagreed on trivial things, became more frequently irritated with each other… and eventually broke up upon graduation.
Now in highschool, the two of them, Irido Mizuto and Ayai Yume, wound up meeting each other in the most unexpected fashion.
The former couple, brought together through parental remarriage, decided to be mindful of their parents’ feelings and came up with a ‘sibling rule’—where the the first one to become conscious of the other as a member of the other s*x loses, but…
When they encounter each other in the bathroom, commute to and from school together, along with the memories of the past and living under the same roof, just how do they disregard each other!?
My Stepsister is My Ex-Girlfriend Novel – https://j-novel.club/series/my-stepmom-s-daughter-is-my-ex
Novel Title: My Stepsister is My Ex-Girlfriend
Author: Kamishiro Kyousuke
Language: Japanese, English
Original Publisher: Kadokawa
English Publisher: J-Novel Club
My Stepsister is My Ex-Girlfriend Novel is available to read online on Goodreads platform. You can Also Purchase it from Amazon.