H20 Footprints in the Sand
S01E07: Hotaru
It is revealed that Hinata's real name is in fact Hotaru and after her older sister Hinata died many years ago, the Kagura family decided to tell the village that Hotaru had actually died, thus Hotaru took Hinata's place. Hotaru does not want to do this anymore, but her grandfather gets very angry at her for trying to revert to being Hotaru again after so many years. Hotaru's grandfather forbids her from going outside the house for the time being, not even for school. During this time, Hotaru thinks of the past when she was with Hinata. After she receives some class notes from school from her friends, and reads the notes they attached, and finally decides to go to school the following day and she tells everyone that her name is actually Hotaru. Her friends quickly adapt to the change and call her Hotaru now.
Overview
H2O's story revolves around Takuma Hirose, a blind young male junior-high school student, though the cause for his blindness is undetermined. After his mother died unexpectedly, it left a deep emotional scar on him, which caused him to become very lonely and reserved. Due to this, Takuma and his uncle move from the city out into a rural area and Takuma is enrolled into a new junior-high school. At his new school, he meets several new girls, though three of whom he gets to know the most out of anyone else; the firm and obstinate Hayami Kohinata, the kind and obliging Hinata Kagura, and the cheerful and mysterious Otoha. As Takuma interacts with these girls, his medical condition gradually begins to heal and he fully recovers.