There are few couples more unlikely than oddball rich girl Haru and oddball hipster Tsurezure, but the two of them have been dating for a while now. Even rival suitor Chris Portman looks like he might hook up with somebody else. What could possibly ruin everybody's happy ending? Family, that's what! Haru's long-absent sister Aki is back in town, and she's determined to tear her older sibling down. There's only a million billion dollars at stake... and some very important relationships! Laughs and love abound in the final chapter of Ojojojo!