The first OVA titled
Sore wa, ikinari otozureta=koi
was released on March 29, 2019.
The second OVA titled
Tomodachi no Kyori
was released on February 26, 2021.
The third OVA titled
Shain Ryokou to Negaigoto
was released on October 14, 2021.
Note: Unaired episodes bundled with the special edition of the 7th, 10th and 11th manga volumes.