"Yumi is a main character in the manga series ""Straight or Not"". She is a charismatic and confident woman in her mid-twenties with short, choppy hair and an edgy fashion sense. Yumi is a successful businesswoman who works hard to maintain her professional reputation and status. She is a natural leader and is often called upon to oversee projects or take charge in difficult situations.

Yumi is also a deeply caring individual who values her friendships above all else. She is fiercely loyal to her friends and will go to great lengths to protect them. Yumi's personality is one that draws others to her, and she is well-liked by those who know her.

Despite her outgoing and bold nature, Yumi has a vulnerable side that she keeps hidden from others. She is haunted by a traumatic event from her past that has left her emotionally scarred. Yumi struggles with feelings of guilt and shame surrounding the event, which has caused her to have trust issues and difficulty forming romantic relationships.

Throughout the series, Yumi grapples with her identity and sexuality, questioning whether or not she is attracted to women as well as men. Though she initially denies any interest in women, Yumi eventually comes to accept her attraction to both genders and begins to explore her sexuality more openly.

Overall, Yumi is a complex and multifaceted character who undergoes significant personal growth throughout the series. Her strength, loyalty, and vulnerability make her a relatable and compelling character, and her story serves as a reminder of the importance of self-discovery and self-acceptance."