NEW NORMAL

"Before my generation was born... A pandemic had brought change to our world." In the near future, hiding your mouth behind a mask became a normal part of life. Natsuki, a girl fascinated by the world before the global pandemic; and Hata, her classmate, end up sharing a small secret... The story of their new everyday life, their "new normal" begins here! (Source: Funguild) — Description from AniList community (anilist.co).