Ai no shirushi
Subtitle: Tengoku no hōgaku
By: Chikamoto Yōichi = Signum amoris : direction caeli / Youichi Chikamoto
Publisher: Kōdansha
Published: 2013
Place of publication: Tōkyō
Language: jpn
Number of pages: 605
ISBN-13: 9784062184045
Other titles: Signum amoris :
Notes: Fiction.

Includes bibliographical references (page 601).

Japanese.