A Condition Called Love 10

It's been six months since Hotaru and Hananoi-kun became official, but lately, Hananoi-kun has been acting strangely. Finally, on their first date in a long time, he spills: "We met once before, long ago." Meanwhile, Hananoi-kun seems to have gotten involved with another girl…?! The past and the present intertwine as our couple moves to the next stage!