Both Shota and Yoshi are going to get married with their respective match.
Yoshi couldn't figure out how she can tell her kids about this, and don't know how to react toward her son's marriage???
The ten-yen coin that used as evidence is, in fact, one with error. The police must take it to support their investigation and conviction, so for now, Ran could not exchange it for money like Agasa's case. (Can be considered as trivia section)
I'll not let Shota's fiancé's ex slide with his attempts.