Oh My Goddess! Vol 2

From the Dark Horse edition

Now that Keiichi and Belldandy are the "item" on campus, they are constantly solving problems, mostly those created by his friends in the N.I.T. Motor Club. When it's all over with, Keiichi just wants to sit back and relax with a video, but then a second goddess enters his life--Belldandy's sister Urd.

Source: Open Library stored placement