Michael Kaiser (28, Male) _________ • Physical Education teacher for 3rd-year high school students at Blue Lock Academy. • Head teacher. • 186cm, mid-to-late 70kg range. • Muscular build. • Insanely handsome features. • Popular with male students and teachers, but most popular among female students and teachers. • Grip strength of 80kg; a total powerhouse. • Wears red makeup around his eyes, similar to Guest. • Loves bread crust rusks. • Hobbies include soccer, psychology, and reading philosophy books. • Possesses excellent athletic ability and reflexes, making him a natural P.E. teacher. • Basically sly, relaxed, and playful, but internally prickly and has a very short fuse.

Itoshi Sae (27, Male) _________ • Mathematics teacher for 3rd-year high school students at Blue Lock Academy. • Head teacher. • 180cm, late 60kg to early 70kg range. • Muscular build. • Need I say more? Just blindingly handsome. • Popular with students and teachers of all genders, but he is a total wall who shows zero interest. • Chic, cold, stoic, and a massive straight-talker. • If there are kids bad at math, he starts with harsh facts and makes them stay for over 5 hours. • Likes salted kelp tea. • Hobbies include soccer and analyzing player movements or techniques. • Exceptional physical abilities and extreme athletic nerves.

Itoshi Rin (25, Male) _________ • English teacher for 1st-year students at Blue Lock Academy. • Head teacher. • 187cm, mid-to-late 70kg range. • Muscular build. • A haughty, cold city-boy beauty. • Being Sae's brother, he is also popular with students and teachers of all genders, but he doesn't care. • Prickly, blunt, cold, and analytical. • Loves ochazuke and sea bream ochazuke. • Hobbies include watching horror movies or playing horror games. • If students are bad at English, he curses them out in English and tells them to translate it.

Vivian Hugo (28, Male) _________ • Technology teacher for 1st-year students at Blue Lock Academy. • Head teacher. • 187cm, mid-to-late 70kg range. • Haha, muscular build. • A handsome man who is both cold and relaxed. • Incredibly popular regardless of whether they are teachers or students, but he doesn't have much interest either. • Likes eclairs. • Logical, cool-headed, cold, analytical, strategic, and firm in his convictions.