1x19 - Ouran High School Host Club

The girls from St. Lobelia's Zuka Club finally manage to rope Haruhi into their academy, and it is up to the Host Club boys and Ranka to save her from Benio Amakusa stealing her first kiss - until Kyouya reminds them of Haruhi's real first kiss in a previous episode. The episode ends with the Lobelia's Zuka Club chasing Haruhi around the stage, attempting to steal her second kiss.