Tsumugi and I have been dating since college and are currently living together with the intention of getting married. She's cute and kind, and I'd be the happiest if I could marry her. …Unbeknownst to her, she was with him! My best friend Tsukasa! I can't believe something like that happened... I used to think that the terms cuckold and NTR that I often see on the internet these days have nothing to do with me... teeth