| 1959 | Born in Kitakyuusyuu city, Fukuoka. |
|---|---|
| 1962 | Often accompanied with a superintend in western classical music appreciation. |
| 1963 | Learned Hiragana and Katakana by playing blocks. Became to be able to read Manga. Moved to Osaka. |
| 1964 | Entered to Kindergarden. |
| 1965 | Entered to Elemantary School. |
| 1969 | Read all books of a series of "Dr DoLittle". |
| 1970 | Affected deeply by EXPO '70 held in Osaka. A dog, named Taro, came to our home. |
| 1971 | Started to read Sakyo Komatsu' Fictions and Essays. |
| 1972 | Entered to a junior high school. Belonged to vollyball club. Started to read Japanese and western modern literature. |
| 1973 | Shocked by Roma Club Report,"The Limit of Growth". Awakened by a book of "Self-realization". |
| 1975 | Entered to a senior high school. Affected by an introductory book of Phenomenology. Read works of Samuel Becket and Lawrence Durrell. |
| 1979 | Entered to Osaka City University. Majored philosophy; learned logic,philosophy of science and early modern western philosophy. Paralely interested semiology and cultural anthropology. Read Descartes's "Meditation" in French. |
| 1984 | Entered master course of Osaka City University. |
| 1986 | Quitted master course of Osaka City University. |
| 1989 | Past the Test of Ability of Japanese Language Education. |
| 1990 | Become a copy-writer. Visited a friend in Thailand. |
| 1991 | Got a job of Miroku-no-Sato Japanese Language Institute. Visited Thailand with a group learning Thai language. |
| 1992 | Visited Thailand to look for a job. |
| 1993 | Visited Taiwan and Republic of Palau on the invitation of students. Read novels and essays of Kenji Nakagami. |
| 1994 | Visited Korea on the invitation of a student. Read modern history of Far East Asia. |
| 1995 | Visited Korea again on the invitation of a student. Visited Republic of Palau again to celebrate the independence. |
| 1996 | Started to go to an English conversation school,"NOVA". Become a member of Survival International of Japan. |
| 1997 | Changed an English conversation school to "Eaon". |
| 1998 | Bought an alt saxophone and started to go to Yamaha music school. |
| 1999 | Quitted Miroku-no-Sato Japanese Language Institute. Wrote two novels. |
| 2000 | Started to work for Japanese language schools in Osaka. |
| 2005 | Become a member of ATTAC Kansai. |
| 2006 | Established own company, Sakai Verbal Communication Services. Became a member of General Union. |
| 2008 | Helped "NOVA Student's Association" to struggle with problems of NOVA bankrupt. |
| 2010 | Opened study of "Basic sentence structure of Japanese" to public through an own website. |
| 2011 | Confronted the inland severe accident of nuclear generators and reflected various matters profoundly. |
| 2012 | Opened this website because of the termination of MobileMe's server service by Apple company. |