Naru and Keitaro decide to go out to celebrate the latest grades and while both are wondering whether it's a date or not, a mysterious little girl appears.

Mei is Naru's stepsister and hopes to take Naru back home. To accomplish this, she decides she has to hook Keitaro up with Mutsume and it is in this episode that Naru finds out something shocking.

Naru now wonders what she should do with her newfound knowledge and it seems like Keitaro is going to be returning home since his grandma has returned to reclaim the inn. To add more to the mess, it doesn't look like Keitaro's studies are going to be enough to help him into Tokyo University.

The final episode of Love Hina. Everyone has to leave Love Hina for a day because the inn is going under renovations. It also becomes apparent that Keitaro won't be coming back to Hinata Inn and Naru has completely given up on Keitaro. Who will Keitaro decide to be his soulmate, Naru or Mutsumi?

Keitaro decides whether or not to confess his love to Naru. Eventually he confesses, but Naru's reaction is not as he had hoped.

Keitaro and Naru are taking the second exams. Keitaro takes a look at the exam and has confidence that he can pass it. Then he starts daydreaming about how he and Naru will get married afterwards, then he wakes up and the examiner announces there are 5 minutes left. Keitaro runs away and applies for a job overseas, then ends up on a mysterious island after jumping into the ocean.

Out of nowhere, Motoko's sister appears and is ready to pass on the dojo. However, Motoko is still not quite as strong as her sister and when big sister finds out about this, she gives Motoko an ultimatum: Motoko must beat her sister or marry Keitaro!