Complex sentence: The head of the disciplinary committee, Rin dislikes Ui's love campaign and its related antics; however, she develops feelings for Hayato after he treats her nicely and helps her in a situation.
Split into simpler sentences: The head of the disciplinary committee, Rin dislikes Ui's love campaign and its related antics. However she develops feelings for Hayato after he treats her nicely and helps her in a situation.