An endoscope system 1 has an insertion portion 4 that is inserted to an inside of an object, a front-view observation window 12 that is provided in the insertion portion 4, and acquires a first object image from a first region of the object, a side-view observation window 13 that is provided in the insertion portion 4, and acquires a second object image from a second region of the object, which at least partially differs from the first region, and a video processor 32 that generates an image signal with the first object image and the second object image arranged side by side so that a predetermined object included in the first object image and the predetermined object included in the second object image are disposed in positions adjacent to each other.
