A Wimp Gets Caught up with a Delinquent, Physically

Riku is a wimp that gets used as a gofer at school. One day, one of the delinquents, Kai, approaches him! When Kai demands Riku clarify whether he likes him or not, Riku has no idea what's going on and answers, "I like you!" What does this all mean? On top of that, Kai starts to come closer. Does Kai's question mean he likes Riku!?While trying to clarify the misunderstanding, Riku gets kissed and touched in the most intense way! This wimp is about to get wrapped up in a delinquent?literally!