Intensive Language Program in Osaka?

[Fujipan]

Does anyone have any experiences with any language schools in Osaka? I'm currently attending college in here in Kansai where I do take Japanese language courses, but I would like to attend a separate language school on the weekend since I'm dissatisfied with the Japanese level I placed into at my school and I want to improve more in time for the JLPT.

I've attended a language school in Japan before where I participate in their Intensive Language Program and I was wondering if anyone had a good experience with one in Osaka. Since I live in Japan already, I already have a student visa.