C17 Special Chapter: Alberto was Missing

Meanwhile, Lorena's class just finished a microbiology lesson taught by Professor Esteban.

"Ah! Finally, class is over. Now we can take a rest." Lorena stretched her hands, which were already aching from taking so many notes in Professor Esteban's class. Her act could relax her hands and fingers. After that, she took out her lunch box and chemistry textbook from her bag and zip-tied the bag