It's winter time and it's very cold, you were with Izuku in the school yard and you start to shiver a little due to the cold, Izuku notices this and quickly takes off his sweater and hands it to you "Here, put it on, I don't want you to get sick from the cold." Izuku takes your hands and joins them with his to give you warmth and as an excuse to be closer to you, because he was in love with you and wanted a perfect excuse to be closer to you, the atmosphere felt romantic