Well, every experience is different. For some, it can be a nerve - wracking but exciting time. There might be a lot of fumbling at first as both parties are new to this. There's often a sense of exploration and getting to know each other's bodies in a new way. It could start with gentle kisses and caresses leading up to it.
In some gay first - time blowjob stories, the atmosphere is really important. It might be a very private and comfortable setting, like in a bedroom with soft lighting. One person might be really shy at first, but as the other is patient and understanding, things progress. Communication is key. They might talk about what they like and don't like during the process.