Lu Over the Wall (2018) Characters, Setting & Themes Explained

Lu Over the Wall takes place in Hinashi Town, a quaint coastal village with rich folklore and strong connections to the sea. The story also involves Merfolk Island, a mysterious location shrouded in legend where the merfolk live. The town is known for its traditional umbrella-making crafts and deep-rooted superstitions about mermaids.

• hinashi town
• merfolk island
• setting
• coastal village
• location

The film is set in contemporary times, reflecting modern teenage life and social dynamics. It portrays a present-day rural Japanese setting with current technology and social interactions, though it weaves in traditional folklore and customs.

• contemporary
• modern
• time period
• present day

The film explores three core themes: Friendship, as Kai and Lu form a deep bond that grows stronger despite external pressures; Identity, as Lu struggles to accept herself while facing societal fear and prejudice; and Conflict, which arises from the town's superstitions about merfolk and the clash between tradition and acceptance.

• themes
• friendship
• identity
• conflict
• acceptance
• prejudice

Kai is a shy, pessimistic ninth grader who moves back to his rural hometown and finds solace in music. He becomes a member of a band called SEIRÈN and initially struggles with isolation. His character arc involves moving from indifference to taking responsibility and showing love as his friendship with Lu develops.

• kai
• main character
• musician
• protagonist
• band

Lu is a mystical mermaid (ningyo) from Merfolk Island who yearns for connection beyond her watery world. She has a vibrant spirit and enchanting talents, but faces the danger of sunlight. Her character represents innocence mixed with the harsh realities of prejudice, as she must navigate fear from the townspeople while seeking friendship.

• lu
• mermaid
• ningyo
• merfolk
• main character

Yūho is Kai's bandmate in SEIRÈN and an important presence in his life. She experiences feelings of jealousy and frustration as Lu becomes more popular. Her character arc involves working through these emotions to ultimately emphasize the importance of friendship and reconciliation.

• yūho
• bandmate
• character
• secondary character

The townspeople of Hinashi Town hold deep-rooted superstitions about the dangers of mermaids and the potential for misfortune they bring. This fear stems from their folklore traditions and the mythical beliefs surrounding merfolk. Their prejudice creates the central conflict when Lu's friendship with Kai becomes known.

• townspeople
• superstitions
• mermaids
• fear
• prejudice
• folklore

Music serves as a central theme and narrative device. Kai is a budding musician, and his band SEIRÈN plays a significant role in his character development. Lu's voice perfectly complements Kai's, symbolizing their spiritual connection. The musical elements contribute to the film's whimsical, family-friendly tone.

• music
• band
• SEIRÈN
• soundtrack
• musical

Lu Over the Wall is an animated fantasy adventure with comedy and musical elements, designed for families. It blends whimsical storytelling with themes of friendship and acceptance, creating a gentle and uplifting atmosphere while exploring deeper issues of prejudice and identity.

• genre
• animation
• fantasy
• comedy
• family
• adventure

Merfolk Island is a mysterious, legendary location shrouded in myth where the merfolk, including Lu, reside. It represents the unknown and the world of folklore that contrasts with the human world of Hinashi Town. The island symbolizes the divide between the supernatural realm and human society.

• merfolk island
• mythical island
• merfolk world
• legend