Since it is medium, it can't be too bad. . . Japan's private universities ranked around 10 to 20 are:
Rikkyo University (campus located in Ikebukuro, Tokyo and Nobukuro, saitama)
Aoyama University (Shibuya, Tokyo)
Meiji University (located in Chiyoda-ku, Tokyo, Japan)
Ritsumeikan University (based in Suzakucho-CHO 1, Xijing District, Kyoto)
Kansai University (Takeda, Osaka)
Hosei University (Chiyoda, Tokyo)
Seikei University (Osaka)
Sunesy University (Setagaya, Tokyo)
Specialized University (located in Shenbao Town, Kanda, Chiyoda District, Tokyo)
Meiji College University (located in Platinum Terrace, Tokyo Port Area)
Nanzan University (Showa District, Nagoya City, Aichi Prefecture)
For specific questions, it is recommended to say hello to overseas study institutions, such as Kai Tak or something ~