They produce cake containing liquor for adult mainly.
They entered newly to the market for school kids at the time of introduction of Sandwich pancake machine.
At the elementary school in Europe, there is a custom of eating a snack at 10:00a.m. ,and school kids take one sweet with them to go to school.
The sweets with a character such as a biscuit, a wafer and a mini cake are in use in this market. So they also use the character on the sandwich pancake as the heat mark.