Kapo~n (>_<)!  

Mangaka: Shigano Iori

Associated Names: 
        Kapo-n!
        Kapon (>_<)!
        Onsen Love Comedy (>_<)!

Genre: Comedy  Harem  Romance  School Life  Shoujo  Smut
Status: 3 Volumes (Complete)
Translation Language: English
Year Release:  2005
Format: IMG
Info from Mangaupdates.com

Description:

This is a story about Emi (heiress to an onsen) and Aki (heir to a hotel) who started out as childhood friends and eventually became rivals. Emi has been trying to beat Aki since the time they were kids. Now that the two are in high school, will Emi finally achieve her goal? Or will Aki get the best of her? What happens if the unthinkable happens - and they actually fall in love!!!?