Its good, just not a fan of having so many couples appearing in a series. In my opinion the two couples (Shane and Kit, Kim and Mon) is already enough for the story, the other couples just wasted the screentime that should have been given to the main couples. The teacher couple make me cringe all the time so i always fast forward their interaction.
If you want to really enjoy watching this I recommend that you do not finish reading the novel first because you will eventually lose interest in watching it. (It took me so much time to finish this series because I read the novel first which backfire, it became boring to me).