According to reports, Junsu recently brought a place on top of the Lotte World Tower in the Jamsil neighborhood of Seoul. Top celebrities including Jo In Sung are reported to own property in the same tower. A real estate expert stated, "The place Junsu is moving into is estimated to cost about 7 billion Won... Aside from Jo In Sung and Junsu, other celebrities have also expressed interest in the apartment."
As you can see below, it looks to be quite fancy! Congrats to Junsu.