A Condition Called Love 10

To reconcile the past. 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, who's the new mystery girl making waves...?! The past and present intertwine as our couple moves on to the next stage!