First series was 2 volumes, maybe that's what you mean?
Well, yeah. Therapy Game has two volumes and this Therapy Game Restart has one till now. If you look into Author's other works here, on mangago, you can check it out
Yeah I think it was the second Volume I didn't read it that much I just said that I was gonna and then totally forgot. I remember finding it on mangago going through the lastest update thingy the cover looked like this
https://www.amazon.co.jp/%E3%82%BB%E3%83%A9%E3%83%94%E3%83%BC%E3%82%B2%E3%83%BC%E3%83%A0-%E4%B8%8A-%E3%83%87%E3%82%A3%E3%82%A2%E3%83%97%E3%83%A9%E3%82%B9%E3%83%BB%E3%82%B3%E3%83%9F%E3%83%83%E3%82%AF%E3%82%B9-%E6%97%A5%E3%83%8E%E5%8E%9F-%E5%B7%A1/dp/4403666612/ref=pd_aw_fbt_img_2/358-7018712-6203323?_encoding=UTF8&pd_rd_i=4403666612&pd_rd_r=ed2a2165-9e52-441a-ae64-4590c114dc61&pd_rd_w=UGP7L&pd_rd_wg=uIU6H&pf_rd_p=b8f4ca36-008b-4218-b594-2ad380398bb8&pf_rd_r=B0X6VKT7Y7VEJ32Y4NWR&psc=1&refRID=B0X6VKT7Y7VEJ32Y4NWR
Wait I'm I going crazy? I swear there was 3 comics based on theses two...or is it my imagination?