[Uruh Akua] Senpai, Sonna no Shiranai desu ~Bansou shite ita Kare no Yubi wa Ima, Watashi no Naka o Midashiteru~ | Senpai, I Don't Know About That - His Fingers That Were Accompaniment are now Disturbing my Vagina
There are several reoccurring traits in [BUTA]'s backcatalogue that I must admit to not being the biggest fan of. But I truly can't say I find any flaw in this piece.