In Episode 7, Hani went to the cafeteria by herself and while reading the menu from the board, BSJ snuck up behind her.  As ...

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Credit: Uzoosin0606@YT

Hic... hic... hic... hiccup!! Cr.  image:  偶吧小伙伴脸书   fanart by Rukubebe

From Episode 7 going forward, the progression of HJ & MM's closeness is evident.  This actual scene was when OHN asked BSJ abou...

Source:   http://blog.naver.com/bblooming/195999810