After she sets the dummy down, Sable stalks toward Momo, a smirk on her face. "That was mean. Also extremely good training, and I appreciate you very much."

She pulls her mask up to her forehead, wraps her arms around Momo's waist, and presses a gentle kiss to her nose.

Did you mean "presses a kiss to her lips"?  Because that is what is happening unless she specifically acts to avert such an outcome.

Ooh. Sable likes this plan. She was in fact waiting for Momo to cross that line, trying not to pressure her.

Sable kisses Momo very softly, tenderly, gazing gently into her eyes.

She had been trying not to rush things, but after how unfairly attractive that was, she almost physically couldn't stop herself.

"...I..."

"Sable..."

"Do you have any idea how painfully attractive that was?  Because I do, and it is a miracle I'm managing to restrain myself from doing something that I probably ought not with someone I have known for all of a day, no matter how attractive they are."

"If it's anything like as attractive as a ravishingly gorgeous, heart-stoppingly brilliant pro hero making me impressive gear and putting me through intense training so I can keep up with her as a hero," Sable murmurs, still holding Momo close, "I may have some clue."

"...We might not last the week before the tension between what we both want and what we can trust ourselves to give overwhelms us."

This does not stop her from burrowing into the hug, as if it is the sole source of warmth in a hard cold world, without a single shred of remorse.