Junnosuke Tachibana (橘 淳之介)

Junnosuke is the protagonist of NUKITASHI, a high school student who stands in stark opposition to the island's controversial "Pervert Law." Despite being a resident of Seiran Island, he refuses to partake in the island's permissive culture. As the founder and leader of the secret organization NLNS (No Love No Sex), Junnosuke is determined to dismantle the law and restore personal freedoms to the island's inhabitants. His character is defined by a strong sense of justice and a deep commitment to his cause.

Asane Tachibana (橘 麻沙音)

Asane is Junnosuke's younger sister and one of his most trusted allies. Though she leads a reclusive lifestyle, she plays a pivotal role in supporting her brother's mission. Asane's character adds depth to the narrative, showcasing the familial bonds that drive the resistance against the oppressive regime on Seiran Island.

Hinami Watarai (渡会 ヒナミ)

Hinami is a senior student at Minotsuki Academy, known for her petite stature and youthful appearance. Despite being in her third and final year, she often finds herself underestimated. However, her small size belies a big heart and a motherly instinct to care for others. In the NLNS, she serves as a reconnaissance specialist, using her perceived innocence to gather vital information against the island's authoritarian forces.

Nanase Katagiri (片桐 奈々瀬)

Nanase is a classmate of Junnosuke, often rumored to be involved in various mischievous activities. These rumors, while exaggerated, serve as a strategic advantage for her. By embracing the campus's perception of her as a troublemaker, Nanase can navigate situations that would otherwise be challenging, all while supporting the NLNS's objectives.

Misaki Hotori (畔 美岬)

Misaki is a student at Minotsuki Academy who grapples with body image issues, leading to a complex about her appearance. Despite her self-consciousness, she contributes her unique skills to the NLNS's efforts. Misaki's character explores themes of self-acceptance and the impact of societal standards on individual identity.

SS Big Three

The SS Big Three are the primary antagonists in NUKITASHI, representing the enforcement arm of the "Pervert Law." They are:

• Touka Reizeiin (冷泉院桐香): The student council president and leader of the FS, the organization tasked with enforcing the law. Touka views acting on one's desires as a form of communication, reflecting the island's permissive culture.
• Rei Tadasugawa (糺川 礼): The disciplinary committee president and commander of the FS's combat forces. Rei encourages others to act on their desires to uphold the campus's moral code, often confronting Junnosuke in the process.
• Ikuko Onabuta (女部田郁子): The FS first squad commander, known for her assertiveness and straightforward approach. Ikuko's character adds a layer of complexity to the enforcement of the law, highlighting the human elements within the regime.

Other Notable Characters

• Kouki Senba (千羽 光輝): An impish older-sister type who serves as Seiran Island's official tourism ambassador. Despite her reputation, she plays a role in the unfolding events.
• White-Haired Girl: A mysterious figure who appears unexpectedly, aiding Junnosuke in critical moments before vanishing as suddenly as she arrived. Her enigmatic presence adds an element of intrigue to the story.