Ore no Subete ga Kimi no Mono
俺のすべてがキミのもの
Masumi began to take notice of him after he unexpectedly confessed to her on Christmas when she was a child, two years ago. Despite developing feelings for him, she struggles to express them due to her pride and lack of confidence. She worries whether he still cares for her after she turned him down in a way that wasn't genuine.