Meanwhile, Doctor Vega, who had arrived at her room, immediately opened the door. Then, she closed the door and put the bag on the table.

Then, she got ready by tidying up the room and gathering the necessities. After tidying up, she immediately sat down and saw the clock had passed 30 minutes since Doctor Vega had tidied up earlier.

"Why isn't Alberto here?" asked Vega in her heart.

"Well! I'll wait another five minutes. Maybe he's just enjoying eating," thought Vega.

Then she waited five minutes. But five minutes had passed and Alberto had not come to her room.

Vega immediately thought. "But why doesn't he come too?"

Doctor...