How to trigger the monster hunter p3 village two-star Lei Langlong?

Lei Langlong needs to meet in the magical place after the lifting of the ban. The first time a player arrives at the magical place, it will trigger the story of Lei Langlong. At this time, players need to hunt and explore in the ancient forest area to increase the progress of exploration. In the upper right corner, if the progress bar of the toothed beast is full, you can ask the receptionist to report the completion of the special trace analysis, and then there will be the task of luring the monster. You can choose the brontosaurus and the place where it appears to hunt.