Source is the official twitter account. The show originally aired April 2023 and ran for 12 episodes. Synopsis from AniList:

This country girl is ready for the big city! Well, at least she thought she was. Mitsumi’s dream is to attend a prestigious school and make the world a better place. But when she finally gets to Tokyo, it turns out she isn’t exactly prepared for city life. Luckily, she runs into Shima, a sweet and handsome classmate who becomes her first friend! Can she make it in Tokyo with Shima by her side?