Okubyoumono ni I Love You (I Love You, Coward) by SAKURA Riko [Eng]

Plot:
Because of his intimidating appearance, Shougo has been alone since starting university. However, a twist of fate brings him closer to Hina, a fellow student. Overjoyed to have finally made a friend in the cool and kind Hina, Shougo soon discovers an unexpected secret—Hina breaks out in hives whenever he receives affection. A “love allergy”?!