After a "fated encounter", Riho, an omega, and Yamato, an alpha, finally got married. Riho remained chaste until marriage, but now it's time for their wedding night...! However, when Yamato tries to make a move, Riho reflexively slaps him!? The next day, Yamato, undeterred, tries again, but the result is the same. Then when Yamato says that he's willing to respect Riho's boundaries, Riho comes up with a suggestion. That is, to tie up his arms...!? And so their third wedding night attempt begins...!?!?!?