"We shouldn't do this, but I can't stop..." Asahi, Kaname's childhood friend and university student, moves in next to Kaname, a salaryman who is suffering from insomnia. Kaname notices that Asahi, who drinks beer for his homecoming party, has grown into a dependable adult. When he thinks that way, he feels the warmth from next to him. He's interested in Asahi's strong arms, and before he knows it, his heart is racing. He drinks too much and his insomnia causes him to fall asleep. On the other hand, Asahi who has feelings for Kaname, notices how defenseless Kaname is. He can't control his lust anymore. They're alone in his room. He kisses him gently and feels hotter and hotter. An emotional love story between childhood friends with ten years age difference!