Use Bangla onomatopoeia. Thump thump (hridoy kompano) , Sigh (dighi shoash) . Describe the expression, but let the voice actor paint it.
This genre has developed a massive following because it focuses heavily on emotional intimacy and voice acting. Here is why this feature works so well:
Whether you are a lonely student in a paying hostel in Kolkata, a software engineer in Bangalore missing home, or a teenager in Dhaka navigating your first crush—phone audio is your companion. These Bangla relationships, though fictional, feel painfully real. And perhaps, that is the most romantic thing of all.