Mariko (played by Yoko Kamon) is a protagonist in Fruit of Love.
Wife seeking a loan to clear her husband's debts, enters a cohabitation deal with a former classmate. Anzai (played by Ryunosuke Kawai) appears in Fruit of Love.
Successful entrepreneur and Mariko's former classmate who offers a loan in exchange for cohabitation. Koji (played by Mutsuo Yoshioka) appears in Fruit of Love.
Mariko's husband whose financial debts drive the plot, largely absent but central to the premise.