The table of contents for the last volume (Which you can see at the start of Chapter 48) says that the final Extra chapter (I assume the 55.5) is called "10 Years Later". So it looks like things close out with a timeskip that I would imagine probably touches on every couple.
we did it boys and girls. the end is here but were not done yet. the time skip from the previous chapter is a little awkward (cause it messes with the flow) but we've reached a conclusion.
edit: this series isn't done yet, the raws have 74 chapters out. this is ch41.