Fumai who devoted himself to the tea ceremony at the Edo residence before becoming a lord of the domain learned the Ikei-ha group of Sekishu-ryu school from the third Kotaku ISA, and also learned from Issho ARAI of Ichio-ryu school.
藩主となる以前から江戸屋敷で茶道に励み、3代伊佐幸琢から石州流怡渓派を学んでいたが、また一尾流の荒井一掌にも学んでいる。