Personality exchange visited Taichi suddenly, like the way it had been normally. After dinner, Taichi should have been watching the television aimlessly with his sister in the living room. He lifted his body, which was lying on the bed, sat himself on the bed, and looked around the room. His vision was vague, as if he were submerged in water. He felt something was about to trickle from his nose, so he quickly sucked it back up; at the same time, he realized his cheeks were all wet. He wiped the tears that trickled down his cheeks with the collar of his pink shirt and stifled his tears. He didn't quite understand, though, his chest had an intense pain that felt as if it was being squeezed. It looks like he had exchanged his personality with someone again. The disparity of his height took Taichi some time to get comfortable with. After that, he got off the bed and looked in a heart-shaped, red-bordered mirror that was on a nearby shelf. He peeked at himself in the mirror. His eyes and nose were red. His chestnut hair seemed to lack the usual lustre and vitality. His face looked wan, swallow, and even more immature than usual. The face seemed to invoke people to protect its owner. [Kiriyama Yui] was inside the mirror. —— Our condition now is the most serious—a crisis that is filled with absolute desperation!