不知火 義一

The protagonist of the story. His power is an exact reflection of his personality. He’s always been one who is optimistic, and never gives up during difficult times. Usually, Yoshikazu fools around and perverted but when it comes time to be serious he is hot-headed and heroic. 

Warum's review.

Originally didn't Yoshikazu have any interest in Mars. From a young age every part of his body except his Heart was healthy and he was hospitalized a long time because of his heart. Unlike Yoshikazu, every part of Chenfui's body except her heart was ill. After Chenfui's death he got her heart. When Chenfui's heart became a part of Yoshikazu he started to see her when he was unconscious and eventually named her Kokoro. Having no dreams of his own he decided to pursue Kokoro's./