She is described as being "no-bra" under her clothes, which adds a sense of "hidden" tension to the roleplay.
Explicitly mentions an "L-cup" size, emphasizing a "large-chested" character trope.
"FC" usually refers to a "Fan Club" or "Fan Club Limited" preview/after-show, often associated with platforms like Fantia, Ci-en, or Booth. The Scenario & Theme
The performer will act out a story—perhaps you are a neighbor she has invited over, or she has "popped in" to your room because she can't sleep.
Using a 3D microphone (like a KU100 or 3Dio), the sound will move from left to right to simulate someone whispering directly into your ears. Specific Sounds: Deep whispers and "ear-to-ear" talking. Ear massaging and "ear cleaning" (mimikaki) sounds.
