The recent global pandemic has prompted people to refrain from being socially active. It caused mental health issues, such as loneliness and anxiety, and community inert. Therefore, we created a public art piece entitled Talking Tree. It was exhibited on a university campus and shrine. Visitors can reveal their worries and anxieties to a camphor tree through a black rotary telephone and engage in realistic dialogue through this artwork. It was found that the exhibit was well received by people of all ages and generated many dialogues involving self-disclosures.