Full Metal Panic! Season 1 Episode 12 One Night Stand

Sousuke is in a bind when Melissa, his commander's sister, sneaks into his hotel room to spend the night. Meanwhile, Kaname is worried that Sousuke is off protecting Melissa when he should be guarding her. Tensions rise as the group tries to keep Melissa's presence a secret from the other hotel guests while ensuring her safety. Sousuke must navigate his feelings for Melissa, his duty to protect her, and his loyalty to Kaname. The episode provides plenty of action, humor, and drama as the characters deal with the unexpected situation and its aftermath.