Based on real people and stories during the fight against the new coronavirus epidemic in mainland China.

Tsutsui Hikari (a.k.a "Tsuttsun") is a high school student who is content with his virtual life of anime and video games. One day, he gets stuck cleaning the pool with Iroha, a real live girl who is stylish, sassy and known to be easy with boys ... and she aggressively approaches him! Tsuttsun, who has few friends and lives in his own world, finds himself smitten by the confident and wild Iroha ... and his whole world is turned upside down!! It's the awkward and pure love story of a boy who experiences relationship for the first time.

One day, high-school boy Yamada bumps into the beautiful girl Shiraishi on the stairs (literally), and their lips touch as they fall. When they regain their wits, they realize that they have swapped bodies. As time progresses, the two realize that this is not the only mysterious happening in the school.

Unexpected love finds a lonely woman when she forms a connection with a humanlike hologram who looks exactly like his prickly creator.

Fernando Lascurain is a wealthy businessman and recent widower, attempting to raise his seven unruly children. He seeks the assistance of a new nanny. He hires and falls in love with Ana Leal, a struggling exotic dancer who tries to hide her double life. Although Ana lacks experience and a refined education, she quickly bonds with the Lascurain children. Ana dreams of being a mother, but when her home is destroyed following an accident, she must borrow money from her ruthless boss at "Chicago", the night club where she is secretly employed. When Fernando simultaneously falls for Ana and Isabela, an economist and sophisticated woman who is trained by her mother to marry a millionaire, he must choose between both women.

A new type of deadly virus spread throughout the city, and the apartment where has different social classes of people is sealed off. With the fear of the virus, and the conflicts of the different classes, the residents have to spend and survive in the new habitation.