Conversation so far:
What did Ayumi Hamasaki do in her childhood that's of importance?
Hamasaki did not attend school or have a job, so she spent much of her time shopping at Shibuya boutiques and dancing at Velfarre, an Avex-owned disco club.
What were some of Ayumi Hamasaki early endeavors?
At age seven, Hamasaki began modeling for local institutions, such as banks, in order to supplement the family's income.
Where did Ayumi Hamasaki model?
She continued this career path by leaving her family at fourteen and moving to Tokyo as a model under SOS, a talent agency.
Was Ayumi Hamasaki successful as a model in tokyo?
Her modeling career did not last long; SOS transferred her to Sun Music, a musicians' agency.

Question: Why didn't it last?
Self-contained rewrite: Why didn't Ayumi Hamasaki modeling career in tokyo last?