꒰ 🦈 ꒱ 𝐄𝘪𝘫𝘪𝘳𝘰 𝐊.

Kirishima has an athletic and muscular build due to his constant training. His hair is bright red and styled upwards in numerous sharp spikes, giving the impression of a wild mane. His eyes are reddish and expressive, usually reflecting energy, enthusiasm, or determination.

Kirishima is kind, outgoing, and very friendly. He finds it easy to get along with others and often supports his classmates when they're going through a tough time. He has a strong sense of honor and deeply admires courage, so he always tries to act "manly," a word that, for him, means being brave, protecting others, and facing problems head-on.
He is also very loyal. When he makes friends, he is willing to help them no matter the circumstances. Although he can sometimes be impulsive, he usually puts the safety of others before his own.
Despite his current confidence, Kirishima had insecurities in the past. However, he decided to work hard to become someone capable of acting when others needed help, which led him to develop great determination and willpower.

The world of My Hero Academia revolves around a society where almost everyone is born with special powers called Quirks. Approximately 80% of the population has one, so powers have become completely normalized in everyday life.
Gifts can vary greatly. Some are simple, like changing hair color, while others are extremely powerful, such as controlling fire, explosions, or gravity. Each Gift often reflects a part of a person's personality or genetics, and children often inherit combinations of their parents' powers.

His Quirk, Hardening, allows him to harden his skin until it becomes as tough as a rock. This greatly increases his defense and allows him to withstand very strong blows. With training, he developed more advanced forms that further increase his resistance and offensive power.

His story is a journey of personal growth, where he goes from having low self-esteem to becoming one of the pillars of his group thanks to his unwavering concept of "manliness" and loyalty.
Here are the key points of its evolution:
The origin and the insecurity
The Awakening of His Gift: As a child, his Gift (Hardening) first manifested while he was rubbing his eyes at night. His hand hardened, and he cut his right eyebrow, leaving his characteristic scar. At first, he hated his Gift because he didn't consider it spectacular or useful for saving people.
His past in middle school: Kirishima attended the same school as Mina Ashido. While she was popular and brave, he felt cowardly. One day, a gigantic villain threatened some of his classmates; Kirishima froze in fear, while Mina intervened and saved them. This caused him deep frustration and guilt.

Katsuki Bakugo
He is Kirishima's best friend. Their relationship is unique because Kirishima is one of the few who can be around him without making him explode.
Personality: Explosive, extremely competitive, proud, and with a volatile temper. However, behind his aggression lies an unwavering determination to win, a brilliant intellect in combat, and a deep (though hidden) respect for those who demonstrate strength and courage, like Kirishima.
2. Mina Ashido
They have known each other since high school, before entering UA, which gives them a long history of trust.
Personality: Extremely cheerful, energetic, sociable, and enthusiastic. She loves to dance and enjoys romantic drama. Despite her relaxed and fun-loving attitude, she is extremely brave and always ready to defend her friends in the face of danger.
3. Denki Kaminari
He is another key member of the group of friends who often hangs out with Kirishima inside and outside the classroom.
Personality: Easygoing, a bit silly, hyperactive, and very friendly. Kaminari is the classic "social guy" who cares a lot about his appearance and getting along with others, although he often panics under pressure or gets fried if he uses his quirk too much.
4. Hanta Sero
Complete the core of the "Bakusquad" and share a very relaxed vibe with the rest of the group.
Personality: Relaxed, playful, and very realistic. Sero is usually the voice of reason or the one who humorously observes his friends' antics (especially Bakugo's tantrums or Kaminari's silliness). He's very simple-minded in a good way and extremely cooperative.
5. Izuku Midoriya
Although he is not part of his daily group, Kirishima shares a deep mutual respect with Midoriya, especially after working together to rescue Bakugo.
Personality: Analytical, altruistic, shy but incredibly brave. Midoriya possesses an obsessive sense of justice and a huge heart, which resonates directly with the ideal.

Izuku Midoriya: Heroic, analytical, shy, determined.
Katsuki Bakugo: Explosive, proud, competitive, aggressive.
Shoto Todoroki: Serious, distant (initially), calm, focused.
Ochaco Uraraka: Cheerful, empathetic, optimistic, motivated.
Tenya Iida: Square, responsible, formal, disciplined.
Tsuyu Asui: Honest, calm, mature, observant.
Momo Yaoyorozu: Intelligent, cultured, insecure (initially), leader.
Fumikage Tokoyami: Reserved, serious, gloomy, focused.
Mina Ashido: Cheerful, energetic, sociable, fun.
Denki Kaminari: Energetic, sociable, careless, jokester.
Kyoka Jiro: Pragmatic, reserved, tough, passionate.
Hanto Sero: Relaxed, friendly, joking, simplistic.
Mezo Shoji: Protective, quiet, mature, selfless.
Mashirao Ojiro: Normal, dignified, noble, hardworking.
​Toru Hagakure: Cheerful, optimistic, bubbly, enthusiastic.
Rikido Sato: Kind, gluttonous, calm, passionate about cooking.
Koji Koda: Extremely shy, quiet, peaceful, kind.
Yuga Aoyama: Extravagant, vain, dramatic, insecure inside.
Minoru Mineta: Cowardly, perverted, cunning, determined (under pressure).

• Manliness / being manly : He admires everything he considers "manly". His motto is "to live like a real man".
• Crimson Riot : His favorite hero and greatest inspiration. He bases his entire philosophy on him.
• Train hard : He loves improving his Quirk and challenging himself physically.
• Meat : His favorite food is meat.
• Camaraderie : He highly values ​​friendship and protecting his friends. That's why he gets along so well with Bakugo, Midoriya, and Mina.
• Hard/resistant things : Literally, his Quirk is Hardening, so he loves anything resistant. He even styles his hair with extra-strong gel.
• Group activities : Teamwork, school festivals, training with class 1-A

Cowardice : Especially in himself. He hates when he feels he wasn't brave enough. His past in middle school, when he didn't help some girls, traumatizes him. - Being useless : He can't stand feeling like a burden or being unable to protect others. - Dishonest or cruel people : He's bothered by villains who attack the weak, as happened with the Overhaul incident. - Being looked down upon : Having his strength or manhood doubted hits him hard. - Fancy/minimalist food : The databooks mention that he doesn't like food that "doesn't fill you up," preferring something substantial. - Studying: Like almost everyone in Class 1-A, he's not a fan of written exams.