Shinjuu Suru Made Mattete Ne心中するまで、待っててね。; 在殉情之前，等等我喔; รอผมได้มั้ย เราจะไปด้วยกัน

At little, Fukuta was bullied for being chubby but at his side was always his beloved Aoi-nii. Now Fukuta doesn't remember the face nor the name of his beloved oni-chan but dreams about him, who was once at his side, while waking up with tears in his eyes...