Main Characters with a Rare and/or Serious Illness

1.
Gagarin and I
Gagarin and I 3.27 avg rating — 22 ratings
2.
The Touch
The Touch 3.65 avg rating — 54 ratings
3.
Mercy
Mercy 3.60 avg rating — 63,439 ratings
4.
Some Kind of Black
Some Kind of Black 3.26 avg rating — 114 ratings