(1) Soichiro Otonashi
| 1950 | Born in Nakano, Tokyo (He has an elder sister) |
| 1957 04. | Enters primary school in Nakano, Tokyo |
| 1963 04. | Enters junior high school in Nakano, Tokyo |
| 1966 04. | Enters high school |
| 1969(?) 04. | Enters university |
| 1973(?) 03. | Graduates university without occupation |
| 1977 04. | Begins teaching Geology at Sakuragaoka women's high school (Age 27) Encounters with Kyoko |
| 1977 07. | Receives Summer greeting card from Kyoko |
| 1979 10-11. | Marries Kyoko Chigusa |
| 1980 04. | Died (Age 30) |
(2) Syun Mitaka
| 1955 | Born in Tokyo |
| 1962 04. | Enters primary school in Tokyo |
| 1968 04. | Enters junior high school in Tokyo |
| 1970 | Lose the final game of Tennis junior tounament |
| 1971 04. | Enters high school |
| 1974(?) 04. | Enters University |
| 1978(?) 04. | Graduates university and becomes tennis coach Starts living alone in a luxury apartment |
| 1981 Summer | Encounters with Kyoko who enters tennis club |
| 1985 Spring | Has a marriage meeting with Asuna Kujor |
| 1985 07. | Buys a dog named Mcenroe |
| 1985 12. | Overcomes his dog phobia |
| 1986 Summer? | Forces a marriage meeting with Kyoko (Age 31) |
| 1986 Autumn? | Marries Asuna Kujo |
(3) Kyoko Otonashi
| 1959 Autumn | Born |
| 1966 04. | Enters primary school |
| 1972 04. | Enters junior high school |
| 1975 04. | Enters Sakuragaoka women's high school |
| 1977 04. | Encounter with Soichiro Otonashi |
| 1978 03. | Graduates Sakuragaoka women's high school |
| 1979 10-11. | Marries Soichiro Otonashi |
| 1980 04. | Soichiro is dead |
| 1980 Autumn | Becomes the manager of Maison Ikkoku |
| 1987 04. | Marries Yusaku Godai |
(4) Yusaku Godai
| 1961 05.03 | Born in Nigata (He has an elder sister) |
| 1968 04. | Enters primary school in Nigata |
| 1974 04. | Enters junior high school in Nigata |
| 1977 04. | Enters Nigata high school. Starts playing rugby |
| 1980 03. | Fails the entrance exam for collage Comes to Tokyo and lives in Maison Ikkoku |
| 1980 Autumn | Encounter with Kyoko |
| 1981 03. | Passes the entrance exam for Sanryu college (the department of education) |
| 1981 Summer? | Encounter with Kozue Nanao who works together |
| 1984 09. | Goes to Sakuragaoka women's high school for practice teaching Encounters with Ibuki Yagami |
| 1985 03. | Graduates Sanryu collage without occupation |
| 1985 04. | Finds part-time job at Acorn nursery school |
| 1986 03. | Finds part-time job at Cabaret Bunny |
| 1986 Winter | Takes regullar job at Acorn nursery school |
| 1987 04. | Marries Kyoko Chigusa |
(5) Kozue Nanao
| 1962 | Born in Tokyo |
| 1969 04. | Enters primary school in Clock Hill(?) |
| 1975 04. | Enters Clock Hill second junior high school |
| 1978 04. | Enters high school |
| 1981 04. | Enters collage |
| 1981 Summer? | Encounters with Godai |
| 1985 04. | Finds a job at Mitsubishi Bank |
| 1986 09. | Accepts mariage proposal from her coworker, Mr.Hirota |
| 1988 04. | Moves to Nagoya with her husband |
(6) Asuna Kujo
| 1963 | Born in Tokyo |
| 1970 04. | Enters primary school in Tokyo |
| 1976 04. | Enters junior high school in Tokyo |
| 1979 04. | Enters women's high school |
| 1982 04. | Enters Shirayuri women's collage |
| 1984 03. | Graduates Shirayuri women's collage |
| 1985 Spring | Has a marriage meeting with Mitaka (Age 20) |
| 1986 Autumn? | Marries Mitaka |
(7) Nozomu Nikaido
| 1965 | Born in Ibaraki |
| 1972 04. | Enters primary school in Ibaraki |
| 1978 04. | Enters junior high school in Ibaraki |
| 1981 04. | Enters high school |
| 1984 04. | Enters University, lives in Maison Ikkoku (Age 18) |
| 1988 04. | Finds job and gets back to Ibaraki |
(8) Ibuki Yagami
| 1967 04. | Born in Tokyo |
| 1974 04. | Enters primary school in Tokyo |
| 1980 04. | Enters junior high school in Tokyo |
| 1983 04. | Enters Sakuragaoka women's high school |
| 1984 09. | Encounters with Godai |
| 1985 01. | Barricades herself in Maison Ikkoku |
| 1985 Autumn | Forces Godai become her home tutor |
| 1986(?) 04. | Enters women's collage |
(9) Kyoko Otonashi
| 1968 | Born |
| 1975 04. | Enters primary school |
| 1980 04. | Soichiro pass away |
| 1981 04. | Enters junior high school. Godai becomes her home tutor (Age 12) |
| 1984 04. | Enters girl high school |
| 1987 04. | Enters Collage |
(10) Kentaro Otonashi
| 1971 | Born |
| 1978 04. | Enters Clock Hill primary school |
| 1980 04. | Encounter with new manager, Kyoko |
| 1981 04. | Encounter with Ikuko |
| 1983 Autumn | Mr. Ichinose loses his job |
| 1984 04. | Enters junior high school |
| 1987 04. | Enters high school |