Greek's Forbidden Innocent
Series: the Jeirut Royal Sisters
Publisher: Harlequin Mills & Boon, Limited
Published: 2019
Language: eng
ISBN-13: 9781474087421
Other titles: Billionaire's Prisoner in Paradise
Description: Book 2 of the Jeirut Royal Sisters series - Annie West 

Heroine Princess Mina's best friend, Carissa Carter faces an unwanted arranged marriage, but Mina swaps places with her BFF so the BFF can marry someone else  
The H, Alexei just wants to find Carissa's father (embezzler) 
He never actually met Clarissa and was unaware of the switch.

The Jeirut Royal Sisters Series
1) The Desert King's Captive Bride (Huseyn al Rasheed & Ghizlan) 
2) Greek's Forbidden Innocent (Alexei Katsaros & Mina) 
a.k.a. Billionaire's Prisoner in Paradise 

Mina & Ghizlan are sisters