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

2009 04.10	Newtype May 2009	K-On article, COLOR {1 P}
2009 07.10	Newtype August 2009	seiyuu school article, COLOR {1 P}
2009 08.10	Newtype September 2009	K-On event report, COLOR {1/2 P}
2010 04.10	Newtype May 2010	K-On handbook, COLOR {1 P}
2010 05.10	Newtype June 2010	K-On article, COLOR {4 P}
2010 08.10	Newtype September 2010	K-On article, COLOR {6 P}
2010 11.11	Asagei Secret Vol.10	K-On article, seiyuu article, COLOR {1+4 P}
2013 04.03	Shounen Magazine vol 18 2013	Aku no Hana article, COLOR {2 P}
2013 10.16	Shounen Magazine vol 46 2013	Seitokai Yakuindomo article, COLOR {2 P}
2014 11.19	Shounen Magazine 2014 vol 51	photo article, COLOR/MONO {1+2 P, cover}
2017 07.19	Shounen Magazine 2017 vol 33	Seitokai Yakuindomo interview, COLOR {1 P}