As Korean actor Bae Yong-jun's popularity continues unabated in Japan, heartthrob Seo Do-young is now helping fuel the Hallyu fever in the country.

In DVD sales released by Fuji TV Thursday, Bae's DVD topped overall weekly sales followed by a DVD released by Seo, the protagonist of the last of producer Yoon Seok-ho's season-themed drama series, "Spring Waltz."