Hikami-san wa Toroketai

Hikami is a cute girl with a rare medical condition that raises her body temperature whenever someone touches her. As a result, she avoids contact with any people and has been lonely since childhood. One day, a boy she has a crush on confesses to her and accidentally touches her. She discovers that the boy also has a rare medical condition but his makes the body temperature of anyone he touches go down so they are practically perfect for each other.