Rewrite the given text while keeping its meaning and length. At Ten Treasure Academy, Takamaru is an average student who dreams of romance but constantly faces obstacles due to Shihoudou Narika, the daughter of his apartment manager. One day, he falls in love at first sight with Haruka, a transfer student. That night, while walking home from school, Takamaru and Narika are pursued by ninjas. Just when they think all hope is lost, Haruka appears in kunoichi attire and uses her powers to defeat the ninjas. However, this was only the beginning of their long battle.