Himeko was once a delinquent feared far and wide, the legendary yankee Onihime. She's totally reformed now, but starts to hear odd rumors that "the Onihime has started going on a rampage again."
It seems like she took on the name because 
she revered the legendary Onihime.
Parece que usaba el apodo porque 
reverenciaba a la legendaria Onihime.
Parece que usaba el apodo porque 
reverenciaba a la legendaria Onihime.
Parece que ela pegou o nome
 pois idolatrava a lendária Onihime.