Tsunagaru Sky! Blue Archive! (Blue Archive/Pretty Cure Crossover)

Sorasaki Hina is, quite likely, one of the most overworked students in all of Kivotos. Between her unruly classmates and Gehenna's obstructionist student council, and the Eden Treaty, the poor girl can barely get any rest at all. It's such a shame that now she has to add "saving the world" to the list as well...