"Eiji is one of the primary characters in the manga ""Her Story."" The manga revolves around the lives of Eiji and a group of girls living in a shared house. Eiji is a key character, and his personality and actions directly impact the course of events in the manga.

Eiji is a 27-year-old freelance writer who usually works from home. He is the only male living in the girls' shared house, which creates a lot of unique situations throughout the manga. Eiji is tall, with shaggy black hair and deep-set brown eyes. He is thin, with a lanky build, and tends to wear comfortable and somewhat casual clothing most of the time.

Eiji is initially portrayed as a quiet, thoughtful individual who keeps to himself. However, he develops close relationships with several of the girls in the shared house as the manga progresses. Eiji is kind-hearted and often puts the needs of his friends above his own. He has a unique talent for understanding people and is often the one who helps the other characters resolve their personal issues.

Despite his caring and gentle nature, Eiji is also capable of passion and possesses a strong will. He is a talented writer, and his passion for the written word often shines through in his work. He also has a fierce sense of justice, and when someone he cares about is being hurt or wronged, he becomes a force to be reckoned with.

Throughout the manga, Eiji struggles with feelings of sadness and nostalgia over the loss of a past love. This loss has affected him deeply, and he often withdraws into himself when he is reminded of it. However, as he grows closer to the other characters in the shared house, he begins to heal and come out of his shell.

Eiji is a pivotal character in the manga ""Her Story."" His kindness, intelligence, and empathetic nature set him apart from the other characters. He is both the heart of the story and a catalyst for change and growth among the other characters."