Kurose Oriitte Soudan ga

His favourite book is shoujo manga. Yagiwara, a young working man with dreams of love, meets Shirasaki, a man with the face of his ideal man. Yagihara, who has never liked men before, is perplexed and decides to talk to his friend, colleague and gay man, Kurose. When he is shown a gay video, Yagiwara is surprised and horrified, but in order to escort Shirasaki smartly, he asks Kurose to teach him about same-sex sex...?