Spotted Taeyeon accusing Mark of cheating on her and with who? None other then her friend, Shinhye.

Mark and Shinhye seemed to enjoy some skinship at the cafe when Shinhye, at the arrival of Mark, covered his eyes with her hands and asked him to guess who she was, to which he responded by resting his hand over hers, stating that he was sure he knew who it was.

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As if fate wanted to have its fun, Taeyeon had walked into the cafe to buy some coffee, only to spot her boyfriend and her friend acting a little too friendly. I wonder if she has the right to accuse him of cheating, seeing as they agreed to an open relationship. Maybe she was just surprised that it was Shinhye he was spotted with?

Speaking of which, it seems that Shinhye has a crush on her best friend. It was said that when Shinhye had heard about Mark and Taeyeon's relationship, from Taeyeon herself, she was quite interested in it, having seemed slightly jealous. Was her interest hinting at her feelings for Mark? Perhaps, but it seems that these three have an interesting relationship ahead of them.