Watching the Unwitnessed History of the Armored Heroes

[Anime Crossover]+ [Ensemble Cast]+ [My Teen Romantic Comedy SNAFU, White Album, Toradora!, Oreimo]+[Healing]+ [Xingtian Armor]

This is a story about boys and girls witnessing the ways they protect one another in another timeline. Seeing how much they gave for each other in that world brought them healing, body and soul.

One day, Hikigaya Hachiman was bickering with Yukinoshita and Yui in the Service Club, just as usual.

Then something like a screen suddenly appeared before them, leaving all three at a loss. And the figure on that screen was…