Love Kids!!

Love Kids!! summary:

High schoolers Rin and Kyo are childhood friends from kindergarten. They're so close that there's virtually nothing they don't know about each other. Rin, who had been pining for Takahashi-kun, his father's lover, for many years, finally gave up and wished for his father and Takahashi's happiness. After his broken heart was comforted by Kyo, Rin was finally able to stand up again, but then suddenly, he was confessed to by Kyo...?!