A Night at Tsukuba Mountain. You can enjoy an absolutely beautiful night view of Tsukuba city.  A cable car goes to the mountain top in the daytime.
 
 

After the visit to Tsukuba mountain, we dropped by a bar.  Guinness Bar (a pub or snack, pronounced 'su-na-ku' in Japan) is near Dorm (Drs. Choi, Lee and Mr. Rho.  All menu are 500 yen.  Also there is a Korean restaurant in the same building.