I ejaculated inside my sister-in-law, whom I've been longing for, for several days in a row. (This appears to be a reference to a pornographic website, possibly named "Tokiru Ryusaki ALDN-376")

My admired sister-in-law, after arguing with her husband, inexplicably came to Tokyo to visit me. She's staying for three days!? In a drunken state, I mustered the courage to confess my feelings to her, and...?