Kagerou Project and Seasons! Crossover fanfic

On August 15, Mekakushi Dan was sent to another world. They met a group of girls, Seasons. They are a group of famous idol and middle school students. By looking at the base, Mekakushi Dan knows that one of them must be rich. A mysterious girl name Nana Honami has an ability that nobody have. Time travellers, cursed angel and more. Meeting with one of the ‘Protagonist’ and they were dragged into a battle. Fight or been killed if they are not careful. Will Mekakushi Dan survive in the world that is full with curse, witches and monsters?