Suenaga Yoroshiku Onegaishimasu

Chapter 1
Vol.0 Chapter 0: Oneshot
Chapter 2
Vol.0 Chapter 0: Oneshot
Chapter 2
Takatsukasa Hikaru  ends up under the care of a young calligrapher, Kuzukiri Kiyomizu, after her father dies. It started as a oneshot. Started serialization in Lala issue May 2020.