Ai Ooto is finally on the verge of solving the mystery behind her best friend's demise. She achieves her ultimate objective of reviving her companion from death after entering the bizarre dreamlike realm of the Wonder Egg and rescuing people from their difficulties. However, now that her buddy is alive, Ai is bewildered and upset after finding she no longer remembers her. She is not the only one who has become estranged from the person she helped. In reality, the other girls involved in the encounters suffer the same consequences for resurrecting someone. As they struggle to comprehend their new situation, the girls confront the horror of their "mission" and ponder whether they should plunge.