She is diagnosed with an unknown illness and has been bedridden for two years. Within this period, Otonashi (Yuzuru) acts as her guardian, usually visiting her to give her manga to read and to keep her company. Compared to her brother, Hatsune enjoys studying and hanging out with her friends. However, her sickness kept her from going outside. She is also gifted by her brother's love, who despite having a meager income out of part-time jobs still has enough money to bring her comic books which she enjoys reading. Her gestures of gratitude, in turn, reassures him.
Angel Beats!
Otonashi awakens only to learn he is dead. A rifle-toting girl named Yuri explains that they are in the afterlife, and Otonashi realizes the only thing he can remember about himself is his name. Yuri tells him that she leads the Shinda Sekai Sensen (Afterlife Battlefront) and wages war against a girl named Tenshi. Unable to believe Yuri's claims that Tenshi is evil, Otonashi attempts to speak with her, but the encounter doesn't go as he intended. Otonashi decides to join the SSS and battle Tenshi, but he finds himself oddly drawn to her. While trying to regain his memories and understand Tenshi, he gradually unravels the mysteries of the afterlife.
