Limit of Love: Umizaru

Shinichi Ebihara is the irritable passenger clutching his cherished Ferrari, a focal point of tension amid the Clover crisis. His stubborn attachment to the car clashes with the crew's urgent rescue priorities, revealing a more vulnerable side as the situation deteriorates. He embodies the human flaw that can complicate even the most disciplined responders.

Japan Coast Guard rescue diver Daisuke Senzaki is haunted by a fatal rescue, fueling his determination to save every life. His commitment to duty clashes with guilt and fear as the Clover crisis unfolds. He leads by example, pushing through exhaustion and fear to reach the survivors on the sinking vessel. The character's struggle with trauma and responsibility under extreme pressure drives the emotional core of the film.

Tetsuya Yoshioka is Senzaki's steadfast partner within the rescue unit. He provides practical support, maintains calm under pressure, and coordinates with crisis control as the clock ticks. He shares the emotional burden of the mission and helps carry the team through dangerous decisions.

Megumi Honma is a pregnant staff member aboard Clover whose condition heightens the stakes of every decision. Her guidance toward an accelerated escape route creates tension as the team weighs risk against time. Her presence personalizes the crisis, reminding viewers of the human cost behind every calculation.

Kanna Izawa is Daisuke Senzaki's girlfriend who travels to meet him; her wedding dress moment becomes a poignant symbol amid the crisis. Their relationship is tested by distance, fear, and conflicting futures as the rescue unfolds. She seeks reassurance even as the situation spirals, underscoring the film's emotional stakes.

Erika Matsubara is the fashion designer accompanying Izawa, providing a human, creative counterpoint to the crisis. Her presence adds a personal layer to the events, highlighting ordinary lives intersecting with extraordinary danger. She represents the calmer, hopeful side of the human story amid disaster.