Kyotaro Ichikawa is the male protagonist of the story, a middle school student who initially presents as a gloomy, socially isolated figure. He is short for his age, with dark, unkempt hair and a perpetually sullen expression that makes him appear withdrawn or even hostile to those who do not know him. At the beginning of the narrative, Ichikawa harbors intense morbid fantasies, often picturing violent scenarios and imagining himself as a cold, calculating killer. These dark thoughts serve as a defense mechanism against his perceived low status in the school hierarchy, as well as a way to cope with the awkwardness and insecurity of early adolescence.

Ichikawa’s personality is defined by a sharp contrast between his internal monologue and his outward behavior. Inside, he is highly self-critical, anxious, and prone to overthinking every social interaction. He believes he is unworthy of attention or friendship, especially from popular or cheerful classmates. However, his actions often betray a deeply caring and observant nature. He pays close attention to small details about others, shows genuine concern for their well-being, and acts selflessly when he thinks no one is watching. His sarcastic inner voice frequently clashes with his growing empathy, making him a reluctant but devoted ally to those he cares about.

Ichikawa’s primary motivation shifts over the course of the story. Early on, he seeks to maintain his self-image as an edgy loner, reading gruesome manga alone in the library and avoiding social contact. His motivation gradually transforms into a desire to protect and understand Anna Yamada, the bright and popular classmate who begins sharing his library space. He becomes driven by the fear of losing her respect or presence, and this fear compels him to step outside his comfort zone repeatedly, whether by participating in school events, confronting bullies, or simply learning to express his feelings.

In the story’s structure, Ichikawa functions as the central point of view. Nearly every event is filtered through his perception, allowing the audience to witness his misinterpretations, anxieties, and gradual realizations. His role is that of an unreliable self-narrator whose initial assumptions about Yamada and the world are constantly proven wrong. Through him, the narrative explores themes of self-acceptance, the gap between self-image and reality, and the quiet courage required for genuine connection.

Key relationships anchor Ichikawa’s development. His bond with Anna Yamada is the emotional core of the story. He initially views her as an alien being from a different social world, but as they spend time together, he comes to recognize her own insecurities and vulnerability. Yamada’s genuine kindness and persistent attention break down Ichikawa’s defenses. In return, he becomes her silent guardian, memorizing her allergies, carrying her luggage, and standing up for her in moments of crisis. His relationship with his older sister, Kana, provides a more grounded familial dynamic; she teases him mercilessly but clearly cares for him, and her observations often offer truths he refuses to see. His few classmates, such as the earnest and friendly Kazuya Hara, serve as mirrors that challenge Ichikawa’s belief that everyone secretly despises him.

Ichikawa undergoes significant development. He begins as a boy who fantasizes about murder and isolation, but he ends the main narrative as someone who openly acknowledges his feelings, apologizes when wrong, and actively works to be better for the people he loves. He does not lose his introverted tendencies or his overthinking nature, but he learns to act despite them. His morbid fantasies fade into rare, almost nostalgic background thoughts, replaced by worries about whether Yamada likes him back or whether he is good enough for her.

Notable abilities include Ichikawa’s keen observational skills and situational awareness. He notices things others overlook, from Yamada’s slight limp after gym class to the subtle emotional cues of classmates. This attentiveness allows him to solve small problems and anticipate dangers before they escalate. He is also surprisingly athletic when pushed, showing decent reflexes and endurance, though he does not consider himself physically impressive. His intelligence is above average, particularly in reading comprehension and logical deduction, which he applies more to social mysteries than to academic pursuits. Finally, his capacity for silent persistence is almost a superpower; once he commits to a goal—such as returning a lost item or protecting Yamada’s reputation—he pursues it with a quiet, single-minded determination that contrasts sharply with his usual self-doubt.