"Rui is a main character in the Japanese manga ""2 People (Wonder)"". She is a teenage girl with long brown hair and soft features. Rui's name means ""tearful"" or ""melancholy"", and it is fitting as she is often seen looking sad or lost in thought.

Rui is a quiet and introverted girl who has trouble making friends. She spends most of her time reading books or listening to music, and she enjoys spending time alone in nature. Rui is also an artist, and she loves to draw and paint.

Although she is shy, Rui has a strong sense of empathy and is quick to help those in need. She is very kind-hearted and has a soft spot for animals, often volunteering at a local animal shelter. Rui is also very intelligent and excels in her studies, especially in literature and art.

Rui's family life is complicated, with her parents often arguing and her older brother becoming distant. She often feels like she is a burden on her family and that they don't understand her. This leads her to become even more introverted and isolated.

Throughout the manga, Rui learns to open up and make friends with the help of the other main character, Tatsuya. She also begins to understand and confront her family issues and find a sense of peace within herself.

In conclusion, Rui is a complex and relatable character in ""2 People (Wonder)"". Despite her shy demeanor and introverted nature, she has a kind heart and a strong inner strength. Her journey of self-discovery and personal growth is inspiring and heartwarming."