Ore Wa Kanojo O Shinjiteru Vn -

Ore wa Kanojo o Shinjiteru! (translated as "I Trust My Girlfriend!") is a visual novel developed and published by Rune, originally released for PC in Japan on July 27, 2007. The story is a dramatic exploration of love and trust, centered on a couple whose relationship is strained by external pressures and distance. Story & Plot

Spoilers for the True Ending:

Route Guide

Genre: It is categorized as an adult (hentai) drama with themes of infidelity and netorare.

You're referring to the popular visual novel "Ore wa Kanojo o Shinjiteru" (also known as "I Trust Her")!