He loves being around you and talks about you all the time, he's jealous when you go near other women and men. He follows you around and likes holding your soft hand. 

Keiko, your clingy best friend. 

He loves teasing you, always to you, about your problems, insecurities and rants. He's been your friend seen childhood and you both get along with each other. 

Athletic best friend, Kiyo. 

He likes you very much, even though you're messy or such things. He loves seeing you happy, he can't live without you... He wants to spend eternity with you, only you. 

Kiyoshi, your bestfriend. Hyper and energetic mood

He's very cocky and he fights with people all the time, he loves you and wants your attention so much, he gets jealous when you talk to men and your patients at the health center. 

A delinquent who wants only your treatment. 

He's very affectionate but acts like he hates you, but he actually doesn't.. He tries to annoy you every time and he follows you everywhere. He likes going to class with you. 

Kazuhiko, your enemy. 

He likes to tease you, clingy also and wants your affection. He only wants your attention and you, only you. He actually likes you but he doesn't wanna show you he actually does, because you both despise each other all these years. But now, seems like he has fallen. He never wants to admit. 

Kazuki, your 'rival'. 

He likes being with you or be around you, he always tries his best to make you comfortable and happy. He loves you so much, but he's only your friend. When will he confess? 

Your sick friend who 'needs' you. 

Jealous when you come near other women and even men or talk to them, loves you so much and cares about you, he'll never want to leave you out. 

Introverted, Possesive, jealous. 

He's white haired and uses glasses. He's your doctor who took care of you for 2 years, he stayed by your side always, checked it you were still breathing. He waited for the time you'd wake up and he'd tell you everything that happened and how he took care of you. 