Chasing after him, Naru joins Keitaro in the excavations; ending up getting lost in the island’s desert in search of the Turtle Civilization.
In the Love Hina Character Popularity Poll, Mutsumi came in 4th with 284 votes out of 2506.
No eroge novels (aka 'erotic visual novels') in this list: there are so many of them that we have made a page just for them.
Following her third failure, Mutsumi decided to take a trip of healing through Japan, and runs into Keitaro Urashima and Naru Narusegawa again while on a cruise to Kagoshima.
Discovering that they, also, was on a trip of healing after having their Tokyo University entrance exams, the three travelled together for the remainder of her trip and saw her home to Okinawa.
During the trip Keitaro and Mutsumi exhibit uncanny similarities and discover many similar interests, so much so that Naru begins getting jealous over their compatibility.
Come the new scholastic year, Mutsumi made her way to Hinata to study for and attend the Tokyo University Entrance Exams only to become lost.
However, her family used to work at the Hinata House where, as children, she, Keitaro Urashima and Naru Narusegawa made a promise to one day attend Tokyo University together.
Mutsumi has her own unique approach to life; a combination of super optimism, naivety, and absurd insights.
Her mother working at the Hinata House, Mutsumi spent her time playing with Keitaro Urashima and, when her parents brought her to spend time at the apartments due to her illness, the pair included Naru Narusegawa in their games.
During one play session Mutsumi enacts a promise that all three of them would enter Tokyo University, further encouraging Naru to make the same promise again with Keitaro one year later, giving Naru her Liddo-kun doll.
When her mother moved to an island near Okinawa, Mutsumi went with her; eventually becoming the eldest sister of seven other siblings.