Fics like Collision Course

It's another day's work at the Endeavor agency for the three heroes, but when a villain's quirk boosted by some Trigger sends them back in time, the three must find a way back home while another trio must stop a powerful demon from causing chaos in a world unknown to the evils of demons. AKA Bakugou, Midoriya, and Todoroki end up switching places with Tanjiro, Inosuke, and Nezuko during a fight. Chaos ensues. (Spoilers for Endeavor Agency arc in BNHA and Demon Train arc in KNY)

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