Hajimete daisuki na kanojo ga dekita node shirokujichuu hame makuri no ichaicha dousei seikatsu o suru koto ni shita – Nagase Yui

After six months together, Yui and her boyfriend begin their long-awaited life as a couple. Their days are filled with tender kisses, playful baths, and whispered confessions of love. In their private space, they explore intimacy and affection without restraint—captured from a first-person perspective in a sweet, sensual cohabitation diary.