The orgin of Daifuku are believe to be China's bun as some part of Japan pronounced it as あんぴん餅.
Meiwa Nine Years (1772) after add salt to the red bean filling in Skin thin rice cakes and bake hence the 腹太餅 "HARA BUTO Cake" (belly fat cake) are form. which is reverse are rewritten into "Bok-pamby cake" "大福餅"
or "Big luck cake" for good omen. Not too long after the surger fill cake are replacing the salt version, by Mid-Edo period people when cazry when Daifuku are slod in the street.
Ichigo daifuku was one of the Japanese Daifuku form around Showa 60 years (1986). There are many store claim the they creat the Japanese Style Daifuku, some of which were Shinjuku-ku, Tokyo Sumiyoshi town of Maebashi, Gunma Prefecture, Mie Prefecture Tsu, Mie Prefecture Iga city, Otsu, Shiga Prefecture, Kurashiki, Okayama Prefecture.