We're fucked isn't even anywhere in the same galaxy of what their situation is, but it's probably the closest thing he has to explain just what kind of catastrophically stupid idea it was to akumatize the brightest star in the classroom and what kind of hubris it took to believe he could control her, a compressed ball of nuclear fusion just waiting for the pressure to get to her in the right way.

"I…I didn't know," his father, Hawkmoth, says, which will probably be the last words he ever speaks in this life, because when the sun goes nova, it doesn't care about the beings on any of the planets in the path of its rage.

If Marinette is merciful, it will be over quickly, a flash of light and then nothing, but Adrien knows that Marinette is ultimately not a creature of fire, but of ice, and she will want to watch the heat death of the universe with her best friends by her side until the very last.