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After Haruka Suzumiya got out from the hospital from her three years of coma. She moved back to with her parents and continued to date Takayuki Narumi. She wanted to see her old friend Mitsuki Hayase who Takayuki Narumi dated while she was in coma.

In the warmth of a golden sun, timid high school student Haruka Suzumiya confesses to Takayuki Narumi, the boy she admires. Takayuki accepts Haruka's confession and the two become a couple, supported by their mutual friends Mitsuki Hayase and Shinji Taira. All is well for these friends—until tragedy strikes. One of them is sent to an unenviable fate, lying dormant in a coma. Three years later, they awaken, but their sudden reappearance in everyone's lives threatens to test the limits of these friends' bonds. [Written by MAL Rewrite]