This Fleeting Moment

Katsuki Bakugou and Izuku Midoriya were never really close like they were when they were younger. Until an attack by a dangerous villain linked their lives together once more, making them much more than bully and victim. Late one night, their true, hidden feelings are revealed beneath the light of the moon.

or

Just a cute, little, fluffy story that I hope warms your heart as it did mine while writing it.
A/N: I'm not great at writing descriptions, I hope this sums it up well enough to grab your attention.