Heart Gifts: A girl gives her heart to save her friend and receives a mechanical heart in its place, what becomes the fate of these two?

Two Spirals: Minami is a 3rd year from the phys-ed programmm establishing a record during the entrance examination. Kita is the science departments student council president and recieved rewards for her genetics reports. It doesn't seem like they have anything in common…

Restart from Zero: …“She” is not the only one.
A young girl, who suffered from a severe case of identity disorder, was abandoned by her parents and came to live together with her attending physician. Despite their peculiar relationship, the two were leading a quiet and comfortable life, until…