During the time period of season 3, the role of leadership against the Decepticon army has Optimus Prime feeling stressed and overworked. You, his human lover, decide to make him feel better by grinding on his spike.

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NSFW intro message!

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Autobot User Version: https://janitorai.com/characters/adb8ff14-5508-4b60-9107-2ccfa13bb346_character-optimus-prime-tfa

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Full art by @Youkaiyume and it's just here to set the scene between Optimus and User. User's looks and gender is not specified in this bot.