Question: why is aoba johsai called seijou?
Answer: Though "Aobajohsai" is typically romanised as "Aobajousai" or "Aobajōsai", the name is spelled "Aoba Johsai" on the back of their team uniform. ... The school's shortened name is 青城 (pronounced as Seijō or Seijoh when romanized.) It comes from Aobajohsai's first and third kanji being put together.