Ichika's Loss

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 wanted to connect to him as a brother, but Chifuyu prevented that by taking him away. She decides to take him as her younger brother and train him to fight alongside her in phantom task. She and many other members begins to want him in romantic sense when his cooking and nature is shown, but when Ms. Yamada discovers the truth, how long will Ichika remain with them?