I Won’t Lose My Heart to a Cheater

"I want to hate him, but… I love him after all!!!"
College student Yuki is at the mercy of his playboy childhood friend. He knows that Kazu, a cheater who wants to be loved, is obsessed with the idea that, "If you fall in love, you lose." Even so, Yuki can't let go of his love for Kazu…
A pessimist who longs for devotion, and a study and fluffy cheater who adores anyone who loves him. What lies in store for this one-sided love?