Because he was raised in the army, Sousuke lacks the common sense to adapt to the normal lifestyle in Japan. This gets him into a lot of trouble because he solves his problems using military tactics which makes things worse.
His experience in the military earns him the position as the "Deputy Student Council President" in charge of security problems.
Kaname is a girl who speaks her mind and who is not afraid to do so. She is also the class representitive and vice president.
She spends a lot of her time with Sousuke and often finds herslef having to beat some sense in to him; she gets annoyed by his lack of common sense.
Kyouko is Kaname's best friend.
She is always carrying a camera around with her and would take a picture of almost anything.
She get's scared easily.
In the Full Metal Panic Series, she is an emotionally unstable girl and considers Chidori as her rival.
In Full Metal Panic? Fumoffu, she becomes one of Chidori's closest friends.
Like Tokiwa, she also gets scared quite easily.
Like Sousuke, he is obsessed with military affairs. His strong interest in the military comes from his father who works in the army.
The difference between Sousuke and Kazama is that Kazama has never joined the army before.
Ena won second place at the Miss Jin-High contest during the school festival last year and got the 5th best mark in a final exam.
She has a secret crush on Sousuke and places a love letter in his shoe box, but he blows it up because he thought there was a dangerous object inside.
He is the president of the Student Body at Jindai High School.
He is always calm and is always carying a fan around. He gives Sousuke advice regarding school damages that he has caused. He also assigns Sousuke and Kaname to various jobs around the school such as organizing the clubs.
She is s the Secretary of the Student Body of Jindai High School. She appears to be a bit naive and may be attracted to Hayashimizu.
She is the only daughter of a Yakuza gang leader.
He is a perverted classmate of Kaname and Sousuke.
He used to go out with Kaname but she dumped him when he confessed his love for her.
He is a student in Class-8 of Jindai High School and is the captain of the school's Karate club.
He has a crush on Kaname and is neverous around her. He becomes rivals with and Sousuke is often competing against him.
These three guys are members of Jindai High School's Karate Club.
This group of men are peace lovers which make them very week and girly Rugby players. Because of their lack of success as a Rugby team, Sousuke is sent train them to become vicious Rugby players. Thanks to Sousuke's training, Jindai high has become the symbol of terror in high school rugby.