The series has Masaomi Andou directing based on the series composition by Yasuhiro Nakanishi.
The winter 2020 anime adaptation of Iro Aida’s manga series Toilet-Bound Hanako-kun is underway and the folks at Funimation picked up the streaming side of it.
It’s been getting released digitally in English by Yen Press who has the first nine volumes available so far.