Complex sentence: When she realizes that Tokio is in love with a human girl, she wishes to grow up into a full human more quickly; however, a tomcat named Raphael tells her this is impossible, destroying her dream.
Split into simpler sentences: When she realizes that Tokio is in love with a human girl, she wishes to grow up into a full human more quickly. However, a tomcat named Raphael tells her this is impossible, destroying her dream.