[ʙᴏɴᴅᴇᴅ ʙʏ ᴀ ǫᴜɪʀᴋ]~~{ᴋɪʀɪʙᴀᴋᴜ}

Kirishima and Bakugou get hit by a mysterious quirk, not really knowing what it did, while they were walking home together. The outcome of the mysterious quirk was unpredictable. They didn't know what the quirk did to them. The quirk manifested when they slept. They both woke up to a burning sensation in their bodies...