How to take photos of Gambitta in the track of the legend of heroes 6?

Go to the room on the hotel 1 floor and discuss with the customer to get the pilot camera, and then go to Bibi Tower and use it directly against the equipment at the top of the tower. The middle of the four pillars is fine). You can get better photos by shooting in the middle of the road (BP+ 1). If Dolohi joins in, you can choose to let Dolohi take a photo, and you will definitely get a perfect photo (BP+2, Milla+1000). After the shooting, you can choose the first item to go back to Lu 'an directly, and the second item to continue exploring in Bibita. Go back to Lu 'an to find a job and get accessories [ムーングラス? "Poison, secret, no poison." . ?

It should be pointed out that:

The option appears: shoot here or find another place.

If I choose to shoot here when I get here, I will hesitate, and then I will let you choose whether to let Dorothy shoot or myself. If there is a dialogue, I want Dorothy to shoot it, I can. If not, it means that I can only load the archive before Dorothy joined, otherwise I won't get the maximum BP.