the strange girl he met from yesterday again. They talk longer this time and Yorito finally learns her name—Matsuri Shihou. A few days later, Yorito goes looking for the girl in the old church and finds a man wielding a sword before Matsuri. After a display of Matsuri's astounding powers, Yorito discovers that she is in fact a creature known as a , who has lived for centuries. She is being chased by Takeshi Tsujidou who intends to kill her, but Yorito tries to protect her by bringing her back to his home which is when Yorito asks her to stay with him for the time being. A "Calamity of the Night", otherwise known as a , is a supernatural being in the Sola universe. Yaka have many supernatural powers, such as: strong physical ability, fast regeneration, and never aging body, among other powers. A Yaka is hurt by direct exposure to sunlight, but the wound can be healed in time if the exposure is not excessive; a Yaka is immortal unless exposed to too much sunlight or has received fatal wounds. Matsuri explains that a Yaka is the embodiment of human agony and pain and that such creatures are meant to always be alone. Despite this, the two fall in love. As their relationship deepens, Matsuri reveals her long tragic past and her knowledge of Yorito's past. Characters Yorito is the main protagonist of Sola. He enjoys taking photographs of the sky and will go out of his way to do so. He meets Matsuri Shihou early on in the story and finds out she is not human and is being chased by a man—Takeshi Tsujidou—who intends to kill her. Yorito tries to protect her by asking her to stay at his house. Over the course of the story, he and Matsuri fall in love. Yorito has an older sister named Aono who at the beginning of the story is in the hospital. Yorito visits her with Mana everyday and he brings her a new doll from a strange store that sells oddly designed dolls. Yorito is in fact a paper construct made by Aono, implanted with the memories of and designed after the image of the original Yorito, who died in the past. Yorito is impaled on a sword wielded by Aono as she tries to stab Matsuri, and "dies"; disappearing in a pile of paper. Matsuri is