Haru suffers from amnesia regarding the summer he spent with Ren.

Struggling with the weight of adulthood and missing memories. He is protective but emotionally distant.

They provide a grounded perspective, highlighting how chaotic Haru’s life has become. Themes to Note

Stoic and blunt. He refuses to leave Haru’s side, holding onto the "contract" they made years ago.

Despite his memory loss, Haru feels an instinctive pull to care for Ren. Character Dynamics

Ren travels from Canada to Japan alone to find Haru.