Six Months of Borrowed Sunlight

Izuku Midoriya is a seven-year-old boy without a quirk who is sick and has less than a year to live. He becomes a tiny vigilante named Deku, using homemade tools to save people.Aizawa needs to catch him, but he sees a lonely child trying to help. When Izuku’s health worsens, Aizawa follows him and discovers he lives in a mostly empty hospital, abandoned by his mother and with no father.