Can't Refuse My Brother

"I'm sorry, I like you big brother.." "I love you too, Nacchan. ★" Natsume, a his popular college student brother-in-law, Yuuhi. He secretly kisses his sleeping brother and longs for his love. But one day Yuuhi finds him kissing him and, "Are you getting naughty with me? That's so cute!" And his high-spirited brother suggests that they even have sex for some reason⁉ Natsume hopes that this will lead to their love for each other, but it seems that Yuuhi only has affection for his “little brother Nacchan”!