The latest arc is Kang Shingi getting even more awesome!
...with Michael's help. I lol'd at the "budding friendship ruined by a 5th grade incident" thing.
Revenge is sweet especially if you get to brand your worst enemy as a sex offender for fun and profit.
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One of the things I noticed though is that the original premise of the manga kinda got lost along the way. I thought it would be a Battle of the Fakes -- him a fake perfect student and her a fake harmless princess -- but her side of the deal kinda gets forgotten in the epic antics that Shingi keeps getting himself into.
The author probably just had too much fun with him that he decided to make her a more moral character instead so she could become his
[TVTROPES LINK WARNING] Morality Pet.