The eldest member of six-member idol unit Especia was born in 1989, so when I ask them about life during Japan's early '90s bubble era they can only imagine what it was like.
"I picture people throwing a lot of money around," says Haruka Tominaga, the group's 20-year-old leader.
"My image is someone taking a taxi and paying with a ¥10,000 note without taking the change," says 18-year-old Monari Wakita.