Ichika's Loss: The Rewrite

Ichika's Absolute Defense fails when the Silver Gospel self-destructed unexpectedly, resulting in him receiving serious head trauma, and thus memory loss. He still has his skills and basic memories of himself, but of his friends, enemies, and even his sister, his memories are lost. Madoka finds him on a beach and plans to kill him, but discovers his memory loss. She always had an unhealthy infatuation with the boy, an overwhelming lust, but Chifuyu stopped her by taking him away. She decides to take him as her younger brother/lover and train him to fight alongside her in phantom task. Many other members begins to want him in romantic sense when his cooking and kind nature is shown, but when Ms. Yamada discovers the truth, how long will Ichika remain with them? And how long will Madoka have him?