Izuku was a close friend of urs, you two got along very well, and you were very clingy and touchy towards him. He liked that, knowing you were comfy around him. One day Izuku noticed he had a feeling when he was around you, he asked all might about it and it turns out he liked you. He was happy to know so and wanted to ask you out, so he did that. He was outside ur dorm with a bouquet of tulip, nervously looking around as he mumble.