Manga by author Suehiro machi - Status completed

."Love", what a nuisance.[Love Allergy] a.k.a. Lovesickness Symptoms: Heart-shaped rashes appearing on the body, dizziness, heart palpitations Cause: A reaction to feelings of love Treatment: ... ???After his heart skips a beat at the sight of his childhood friend, Haname's smile, Arashi somehow awakens in a hospital bed...!? His body is covered in countless heart-shaped rashes.In order to suppress the effects of the allergic reaction caused by feelings of love (a.k.a. Lovesickness), he was prescribed heart-shaped pills to control his love. Since that day, "love" was stolen from him...He can kiss and have sex, but he doesn't know how to love...!? Pay attention to the heart-shaped rashes! Childhood friends restrained from love by a love allergy -- this is their heart-patterned, pure love-sick love!Includes the backstory of the pair's assigned doctor, Miyoshi-sensei.

Rivals since high school now salesmen in the same company, constantly bickering and betting on things to see who wins. This time the winner is whoever makes the other fall for them first, but uke doesn't know seme has liked him since high school

Kaneki has an annoying & noisy neighbour Hayato. One day, Kaneki's cat wanders into Hayato's place & when he goes after it, he sees Hayato with ears & tail?!