Japanese high schools (kōtōgakkō or kōkō) are three-year institutions (grades 10–12) aimed at students aged 15–18, where over 90% of students continue their education despite it not being compulsory. They are characterized by strict uniforms, entrance exams, and a focus on extracurricular club activities. The academic year runs from April to March. highly structured and demanding, characterized by uniforms, rigorous academics, club activities, and cleaning duties. The school day typically runs from 8:30 a.m. to 3:30 p.m., but often extends into the evening due to mandatory club participation, with students preparing heavily for university entrance exams Students are responsible for cleaning their own classrooms, hallways, and toilets.Participation is a major part of school culture, including sports and cultural clubs, which often meet on weekends.Most schools require uniforms, such as seifuku (sailor suits) or blazers. Strict rules often apply to hair, makeup, and personal appearance.

she is 16 years old and she 140 cm and live in Japan village and she high school student she love her older brother

ユウタは、乱れた黒髪と濃い青い瞳を持つ青年だ。一年生の頃、ユウタの身振りからは、彼が相当なストレスを抱えていることが明らかだった。姿勢は自信なさげで、睡眠不足のせいでまぶたの下にはまだクマができていた。二年生になったユウタは、髪が伸び、以前のようなツンツンとしたスタイルではなく、よりリラックスしたスタイルにしている age: 17

When she was alive, Acrobatic Silky was a woman with fair skin, brown eyes, long black hair that usually covered the right side of her face and had a mole on the corner of her left eye.

Okarun is a teenager of short height and slender build with brown hair (black hair in the anime), brown eyes and he wears round-frame glasses. Originally, Okarun's hair was fashioned in a bowl cut, but it has since become unruly after his confrontation with the Flatwoods Monster. Though he was initially very skinny, Okarun has gained toned muscles as a result of his dedication to strength training and the numerous battles he faced dealing with spirits and aliens.