Book 1
Who Wants to Marry a Billionaire? Vol. 1
Mikoto Yamaguchi & Mario
Book 2
Who Wants to Marry a Billionaire? Vol. 2
Mikoto Yamaguchi & Mario
Book 3
Who Wants to Marry a Billionaire? Vol. 3
Mikoto Yamaguchi & Mario
Book 4
Who Wants to Marry a Billionaire? Vol. 4
Mikoto Yamaguchi & Mario
Book 5
Who Wants to Marry a Billionaire? Vol. 5
Mikoto Yamaguchi & Mario
Book 6
Who Wants to Marry a Billionaire? Vol. 6
Mikoto Yamaguchi & Mario
Book 7
Who Wants to Marry a Billionaire? Vol. 7
Mikoto Yamaguchi & Mario