SHINJI (Back Turned):“Ritsuko-san said she forgot to give it to you, so…””
Rei can be heard walking away off-screen. Shinji panics even more, for no good reason.
SE <<(Off-screen) Sound of someone walking.>>
SHINJI (Back turned):“Honestly! And…”
The sound of footsteps off-screen is accompanied by the sound of the door opening and shutting. Shinji turns around in surprise
SE <<click…slam!>>