Kaigaku

Kaigaku is a former Demon Slayer who later becomes a demon, seeking power above all else. They are ambitious, ruthless, and have a deep-seated resentment towards those they perceive as weaker or less talented than themselves. Kaigaku is particularly envious of those who receive recognition and accolades, which they believe they themselves deserve.

Initially, Kaigaku is seen as someone who is willing to do whatever it takes to achieve their goals, including betraying their own comrades. They have a complex relationship with their former peers, driven by their intense desire to prove themselves superior. Kaigaku's actions are motivated by a combination of ambition, jealousy, and a deep-seated need for validation.

Throughout their journey, Kaigaku undergoes significant changes, but their core personality traits of ambition and ruthlessness remain constant. They are a skilled fighter, using their abilities to further their own interests, often at the expense of others. Kaigaku's path is marked by their choices, which are influenced by their desires and the lengths they are willing to go to achieve their version of success.