Tsutomu Senkawa  

, 千川つとむ

In the story, Senkawa is a typical high school student who unintentionally meets his demise at the hands of Birdy while exploring an abandoned building alongside Natsumi. Following this unfortunate event, he undergoes a unique transformation in which his consciousness becomes intertwined with that of his killer. Fortunately for him, his parents are currently away on business.