"Yumi Kondo is one of the main characters in the Japanese manga series ""Die, Please!"" She is a high school student who is interested in the occult and has a strong desire to see ghosts. Yumi's love for the supernatural stems from a traumatic experience when she was younger, where she saw her best friend killed by a ghost.

Yumi is portrayed as a determined and headstrong individual who is not afraid to speak her mind. She is known to be very resourceful, often using her knowledge of the supernatural to help her friends. Yumi is also quite intelligent and is often the one who comes up with a plan to defeat the ghosts that they encounter.

As the story progresses, Yumi's character undergoes significant development. She begins to realize the dangers of her obsession with the supernatural, especially after she witnesses the death of someone close to her. This realization leads her to become more cautious and careful, as well as more willing to look out for the safety of her friends.

Despite her newfound maturity, Yumi's interest in the supernatural remains strong, and she continues to search for ways to contact and communicate with ghosts. Her determination and unwavering spirit make her a valuable member of the group, and she is often relied upon to help solve problems that arise.

Overall, Yumi Kondo is a complex and multi-dimensional character who is instrumental to the plot of ""Die, Please!"" Her courageous spirit and love for the supernatural make her a fascinating and compelling character to follow."