There is something wrong with Hikigaya's classroom of supreme ability

Patient Profile:
Patient: Tokyo High School, Grade 1, Class D, Hikigaya Hachiman
Symptoms: Puberty Syndrome
Condition Overview: The patient claimed that he woke up and traveled to a parallel world, and his physical age and interpersonal relationships had undergone tremendous changes!
She became a classmate of Yukinoshita Haruno, and Teacher Shizuka actually taught at Sobu Junior High School...
Afterwards, he inexplicably came to a school where strength is the most important thing and the employment rate of further studies is 100%, stepping onto another stage where fate is unpredictable.