Born in Tamashima, Kurashiki City, Okayama Prefecture in 1930
1951 Graduated from Jiyu Gakuen Women's School
1957: Dropped out of Musashino Art University, Department of Oil Painting
1957-58 Exhibited at the Free Art Association
1962: Studied in Paris, where he became interested in icon tempera painting techniques and began to pursue tempera painting.
1990 Collection of works "Yoko Semoto: One Thousand and One Petals" Bijutsu Shuppansha
1992 Collection "A Midsummer Night's Dream" Edition Mitsumura (limited to 40 copies)
Cuts from the January to December 1997 issue of "Fujin no Tomo" by Fujin no Tomosha
1998 "Mrs." February to December issue "Seasonal Memories" original illustrations, Bunka Publishing Bureau
2002 "Fujin no Tomo" January to December issue cover art, Fujin no Tomosha
2004: Appeared on TV Asahi's "Tetsuko's Room"
"One Thousand and One Petals" Exhibition, Jiyu Gakuen Myonichikan Auditorium
2006-2017: Solo exhibitions at Ippodo (Ginza, Takanawa)
2010 Solo exhibition at Ippodo in New York
2016-17 Exhibition at Okayama Prefectural Museum of Art
2018: Received the Medal with Dark Blue Ribbon