What is Miwatasu Pocketbook(Techo)?

Miwatasu Pocketbook(Techo) is a notebook which records the happiness, sadness, success or even the failure of one’s own life in detail by the 6 time-units of  1 hour (for 1-day Memo), 6 hours (for 1-week Memo), 1 day (for 1-month Memo), 1 week (for 1-year Memo), 1 month (for 12-year Memo) and 1 year (for 120-year Memo). 5w1h (when, where, who, what, why and how) is used hereby as the most important factor to record everything happened, happening and which will happen in future for each time-unit.