The eldest of Hina Urashima's two daughters, Yoko Urashima used to look after the residents in the Hinata House's annex as well as running the Hinata Café. Yoko married in her late twenties and gave birth to Haruka. Soon afterwards she fell ill and passed away. After her death her husband took Haruka and moved away from Hinata, however after college Haruka returned and took over her mother's job of running the Hinata Café. Yoko's spirit resides in the Abandoned Annex where she used to look after the ill.