[{edge:{name:["name_1","name_2","name_3","name_4"],image:["image_1","image_2","image_3"]},user:1},{edge:{name:["name_1","name_2","name_3"],image:["image_1","image_2","image_3","image_4","image_5"]},user:2},]

db.collection.find({},{"edge.name":{"$slice":-1},"edge.image":{"$slice":-1}})