American Invasion! Harima Kenji has tried everything he can think of to attract his cute-but-dim classmate Tsukamoto Tenma. This time he's grown his beard to enormous lengths. But one snip of the scissors by wealthy beauty Sawachika Eri ruins everything! Can a delinquent punk and a stubborn, quick-to-anger rich girl end their long-running feud? Meanwhile, the inscrutable foreign exchange students from America in rival class 2-D face off against our hapless heroes from 2-C. The real School Rumble is about to begin!

Harima Kenji's latest plan to win Tsukamoto Tenma's attention is to grow a long beard, but one snip of Swachika Eri's scissors ruins all that, and meanwhile, the American foreign exchange students in 2-D face off against the 2-C class.

Since Harima Kenji can't get Tsukamoto Tenma's attention he grows his beard very long. Sawachika Eri cuts Kenji's beard, making him angry at her.

Harima Kenji has tried everything he can think of to attract his cute-but-dim classmate Tsukamoto Tenma. This time he's grown his beard to enormous lengths. But one snip of the scissors by wealthy beauty Sawachika Eri ruins everything! Can a delinquent punk and a stubborn, quick-to-anger rich girl end their long-running feud?