Three years ago, he fought against the organization alone, but accidentally fell from a high altitude into the ocean, his life and death unknown. But she was immersed in the thought "If you hadn't hurt her so cruelly, he wouldn't have failed in this operation" and couldn't extricate herself. In the end, he committed suicide in the silent sea under the instigation of Kuroha Kui.
He regained his memory and came back to wait for his true lover's cold tombstone, but the indirect murderer turned out to be his most beloved sister!
"I just want to free her..."
Both parties are heavy weights, family affection and love, how should he choose...