[Light Novel] She was NTR (4 books in total) because she was NTR to my senior (4 books)

the publisher:
Author: Mihiro Shinden, Kagawa Ichino
Size: 105mm x 148mm
Number of books: 4
Language: Japanese
Category: Light novel
Latest publication date: 2023-11-01

Synopsis:
Let's flirt together?

"Totoko -senpai! Please flirt with me!"
"Calm down and Ichijo -kun ... The two cheating must have hell -like eyes!"
Yutaka Ichiri gives an affair with her NTR man, Tako Sakurajima, a longing senior, from her cheating shock.
For some reason, Toko, who proposes a planned and intense "revenge", has begun to tailor Yu into a good girl!?
Choice of clothes, talk themes, etc. ... The ratings of the surrounding girls were exploded, but on the contrary, the feelings for Totoko were only increasing.
As the plan is progressing, the relationship between them is approaching suddenly-.
What is the "revenge" that two lovers betrayed on the holy night!?
And what is the end of the two!