Oh My Goddess! Omnibus 6, Vol. 16-18

The secrets of Belldandy's past will be revealed when a mysterious young boy shows up on the doorstep of Tarikihongan Temple! Who is he, why does he insist Belldandy should remember him . . . and why is a kid like him making Keiichi jealous all of a sudden? But the boy is here to disrupt more than just their domestic life . . . Up in Heaven, Skuld and Urd begin to notice that the very axis of time is beginning to slowly drift off course . . . and down on Earth, how many more ticks of the clock are left for existence itself . . . ?