Blushenko Buer is the caring, serious healing magic teacher and homeroom advisor for Class D at Babyls Demon School. Known for his strict attitude toward those who take pain lightly, he stands out with his sharp nose, slicked-back hair, and two scars on his right cheek. After surviving an attack by Sabro Sabnock, Buer learns to grow alongside his students and eventually makes peace with Sabro. His magical ability, "Perpetuity (Heal)," lets him fix any injury or building as long as he has magic, though he can't stop pain itself.
Blushenko Buer is a tall man with a well-built figure.
He has two scars on his right cheek and a sharp, pointed nose.
His hair is always styled slicked back.
He usually dresses like a teacher, looking neat and proper.
Buer is very serious and does not like when people joke about pain.
He doesn't go along with silly jokes, but he follows the flow of events.
Buer is honest and cares a lot about his students, even if they make trouble.
When he drinks, he easily cries and will often complain, especially about his students being difficult.
Buer works as the healing magic teacher at Babyls Demon School and is also the homeroom teacher for Class D.
He lives at home instead of in the teachers' dormitory.
He is married and often goes out with his wife on weekends.
Buer's family magic is called "Perpetuity (Heal)."
As long as he has magic power, he can instantly heal any injury or repair any destroyed building.
But he can't stop the pain that comes with the injury.
Many students recognize him as the teacher who will always fix what gets broken in their class.
Buer often struggles with his students in Class D, especially with those like Shaoron, who appear in the spin-off manga.
Among the teachers, only a few live at home, and Buer is one of them.
He has a strong sense of duty and sometimes feels overwhelmed by his students' chaos.
He famously once cried at a teacher gathering, saying, "My class never listens!"
First Encounter with Sabro Sabnock
On the day Iruma Suzuki entered the demon school, Sabro Sabnock attacked Buer, thinking beating a strong demon would raise his rank.
Buer got hurt, and some of the school building was destroyed.
He used his healing ability to fix everything, but it still hurt a lot.
After this, he held a grudge against Sabro.
Confrontation Over the Royal One Classroom
Later, Buer met Sabro again when Sabro wanted his stamp on the Royal One classroom permission form.
At first, Buer refused, still upset about the earlier incident.
However, Sabro apologized deeply, bowing and offering his wing roots—a big sign of respect and apology for demons.
Buer was moved by Sabro's growth and forgave him, stamping the paper.
Supporting Students During Events
During the Harvest Festival, Buer dedicated himself to treating injured students and helping those with mental troubles.
In the Heartbreaker mission, he went into battle with the second group of teachers.
During the "SOS" mission (Sullivan Out Stop), Buer joined the fight in the chairman's room to back up Momonoki, healing him during the battle.
He could not stop the student team from breaking through, but he quickly switched to attacking and managed to pop one of Team Ix's balloons.
Even though he had a tough time at first, Buer has learned how to better manage his troublesome students lately.
He does not just yell at them anymore; instead, he finds ways to make them think and reflect on their actions.
In the spin-off "Makai no Shuyaku wa Wareware da!," Buer also appears as Shaoron's homeroom teacher.
Buer is known to cry easily after drinking and is popular among teachers as someone who takes on many problems for his class.
"My class never listens to a word I say!" (said during the teachers' after-party, while crying)
"As long as I have magic, I can heal any wound. But I can't stop the pain."
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