商業界 (shougyoukai/sakai) · 日刊工業新聞社 (nikkankougyoushimbunsha)
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| How to make a competitive advantage to win in Bukkake pledge - my Italian, French my | 978-4-7855-0454-0 (4-7855-0454-4) | 2013 |
| Tokoton yasashii netsu shori no hon. | 978-4-526-05540-9 (4-526-05540-9) | 2005 |
T.S. · Takako Shigematsu · Takako Shigmatsu · Takashi Sugimoto · Takayuki Sakamoto