Mood: The mood of the video appears to be romantic and playful, with a hint of surprise and curiosity. The theme seems to revolve around an unexpected event or revelation, as hinted by the phrase 'Ye Kya Hua', which translates to 'What happened?' in English. The overall tone seems light-hearted and humorous.

Environment: The setting of the video appears to be on a bus or a train, given the presence of seats and a window in the background. The environment seems to be casual and relaxed, with the two main characters seemingly engaged in a conversation or reacting to something.