Dekiai Osananajimi wa Watashi no Otto de Stalker!?

Overview

Aoi is finally married to her older childhood friend, Ren, whom she has loved since she was a child. But he promised not to touch her until she's no longer a teenager! Aoi's anxiety grew as she tried to seduce him with every trick in the book, but he wouldn't budge at all. One day, she snuck into a secret room that only Ren had access to, but what did she find there? (Source: Bunkasha, translated)

Source: AniList