Kaoru Touno

The main protagonist. After finding the Urashima tunnel, he thinks about taking back his sister that died in an accident five years ago.

[Spoiler] He is the result of an affair. [/Spoiler]

[Spoiler] Losing his sister caused the only link between his family to snap, causing his mother to disappear and his father to turn abusive. [/Spoiler]

[Spoiler] He falls in love with Anzu. [/Spoiler]