In the ending of "To Your Eternity," Fushi faces the ultimate confrontation with the Knockers, who threaten the existence of humanity. After a series of intense battles and emotional farewells, Fushi learns to embrace his humanity and the memories of those he has lost. He ultimately defeats the Knockers, but at a great cost. The story concludes with Fushi continuing to live, carrying the memories of his friends and loved ones, while the world around him changes.

As the final episodes unfold, Fushi stands at the precipice of a climactic battle against the Knockers, who have become increasingly aggressive in their attempts to eradicate humanity. The atmosphere is thick with tension as Fushi, now more human than ever, grapples with the weight of his memories and the lives he has touched.

In a pivotal scene, Fushi is confronted by the Knocker that has taken the form of his beloved friend, March. This moment is heart-wrenching, as Fushi is forced to confront the pain of loss and the reality of his existence. He recalls the warmth of March's spirit and the innocence she embodied, which fuels his determination to protect the world she loved.

As the battle rages on, Fushi's allies, including the warrior Gugu and the wise and nurturing Tonari, rally around him. Each character's motivations are laid bare; Gugu fights not only for his own redemption but also to honor the memory of those he has lost. Tonari, with her fierce spirit, stands by Fushi, embodying the strength of friendship and the bonds that tie them together.

In a series of intense confrontations, Fushi learns to harness the powers he has accumulated over time, transforming into the forms of those he has lost, including Gugu and March. This ability becomes crucial as he faces the Knocker leader, who embodies the very essence of despair and destruction. The battle is visually stunning, with vibrant colors clashing against dark shadows, symbolizing the struggle between hope and despair.

As the dust settles, Fushi emerges victorious but not unscathed. The cost of the battle weighs heavily on him, as he realizes that each victory comes with the loss of those he holds dear. Gugu sacrifices himself in a final act of bravery, allowing Fushi to defeat the Knocker leader. The emotional impact of this moment is profound, as Fushi is left to grapple with the emptiness of losing yet another friend.

In the aftermath, Fushi stands alone, surrounded by the remnants of the battlefield. The world around him is quiet, a stark contrast to the chaos that just unfolded. He reflects on the memories of those he has lost, including Gugu, March, and others who have shaped his journey. Each memory is a thread in the tapestry of his existence, reminding him of the beauty and fragility of life.

The series concludes with Fushi continuing his journey, now more human than ever. He walks through a landscape that is both familiar and foreign, symbolizing the passage of time and the inevitability of change. As he moves forward, he carries the weight of his memories, a testament to the lives he has touched and the love he has experienced. The final scene leaves viewers with a sense of hope, as Fushi embraces his role as a guardian of humanity, determined to protect the world and honor the memories of those he has lost.

In "To Your Eternity," several characters experience significant deaths that impact the narrative and the protagonist, Fushi. Here are the key characters who die, along with the circumstances surrounding their deaths:

1. The Wolf: The first significant death occurs early in the series. The wolf, who is the first being that Fushi takes on as a form, dies after being mortally wounded while protecting Fushi from a group of hunters. The wolf's death is poignant as it symbolizes the beginning of Fushi's journey of understanding life and loss. The wolf sacrifices itself to ensure Fushi's safety, showcasing the bond they share.

2. March: March is a young girl who befriends Fushi. She is a kind-hearted and innocent character who dreams of living a long life. Tragically, March is killed by a creature known as the Nokker, which is a manifestation of death and destruction. This occurs during a confrontation where she tries to protect Fushi. Her death is heart-wrenching, as she sacrifices herself to save Fushi, believing that he has the potential to bring hope to the world. March's death deeply affects Fushi, as he grapples with the pain of losing someone he cares about.

3. Parona: Parona is March's older sister, who also plays a significant role in the story. She dies in a tragic turn of events when she confronts the Nokker while trying to protect her sister and Fushi. Parona's death is marked by her fierce determination to save those she loves, but ultimately, she is overwhelmed by the creature. Her loss adds to the emotional weight of the narrative, as it highlights the theme of sacrifice and the harsh realities of the world Fushi inhabits.

4. Gugu: Gugu is a character who becomes a close friend to Fushi. He is a kind-hearted and brave individual who has faced his own struggles. Gugu dies during a battle against the Nokker while trying to protect Fushi and others. His death is particularly impactful as it showcases his growth and the depth of his feelings for Fushi. Gugu's sacrifice is a moment of heroism, but it also leaves Fushi with a profound sense of grief and loss, further emphasizing the series' exploration of mortality and the connections between characters.

5. Fushi's Guardian (the old man): The old man who serves as a mentor to Fushi also meets his end. He dies of old age, but his death is significant as it marks a transition for Fushi. The old man's passing is a moment of reflection for Fushi, who realizes the inevitability of death and the importance of cherishing the memories of those who have passed.

Each of these deaths serves to deepen Fushi's understanding of life, love, and loss, shaping his character and the overarching themes of the series. The emotional weight of these moments resonates throughout the narrative, illustrating the fragility of life and the enduring impact of relationships.