Some of the books and magazines that Hikari has appeared in are as follows.

1996.03.22	Virtual Idol 7	Piipers article (Katou Hikari), MONO {2 P}
1996.11.22	Virtual Idol 1 (1997)	Fire Woman Matoigumi article, COLOR {2 P}
1997.02.26	Ani Raji Grand Prix 6	article, COLOR {1/2 P}
1998.01.23	Heroine Games vol. 2	interview, COLOR {1/2 P}
2000.12.09	Dengeki Animation Magazine January 2001	Tokimemo 2 live report, COLOR {1/4 P}