While facing profound depression, Hinako finds herself drawn to Shiori, a girl with eyes like the sea.

As Shiori integrates into Hinako's class, she finds herself at odds with Hinako's best friend Miko.

After a disastrous festival experience, Hinako tells Shiori about the tragedy in her past.

Unexpected revelations happen when Miko stumbles upon Shiori in the middle of a kill.

Miko reveals the truth behind her friendship with Hinako.

Hinako and Shiori work through the aftermath of Miko's revelation.

Unsettled by Hinako and Shiori's growing bond, Miko invites Hinako on a trip to help with the basketball team.

While accompanying the kindly older Ayame, Hinako faces an unexpected threat.

Hinako attempts to learn the truth about what Ayame told her about Shiori.

Shiori reveals to Miko the details of her distant and more recent past.

As Hinako seems to hit rock bottom, Miko and Shiori struggle to pull her back from the brink.

Shiori makes a desperate attempt to get her true feelings across to Hinako.

In the aftermath of Hinako's crisis, the girls feel out their new normal.