Until my mask comes off

"I've always thought you were cute." Shinozuka Rei, who has difficulty expressing her emotions, is kept at a distance by those around her and even given the nickname "Noh Mask-san." Apart from Sasaki Nansho, who greets everyone cheerfully, she rarely speaks to anyone. One day, her boss invites her out to dinner, and she decides to go, thinking it's a chance to change herself, but she can't keep the conversation going and is subjected to harsh words. At that moment, Nansho, who called out to her, comes to her rescue...

(Source: Cmoa Comics, translated)