Title: Heart no Ousama (ハートの王様)
Creator: Yoshino Aki (吉野阿貴)
Length: 1 Volume
Status: Complete

The king of heart is the king that captures all girls' hearts.
Yui, a teacher at a cram school, is a girl who can't leave a person alone when she sees that person in trouble. After seeing her neighbor, Sakimoto, collapse on the street, it was only a natural thing for her to nurse him back to health. But upon that incidence, she started to be interested in this somewhat mean guy...?!