Dark Gathering - Season 1 Episode 15 : Old Old F Tunnel
The story centers on Keitarou Gentouga, who has the ability to be a spirit medium. In junior high school, he got someone else wrapped up in a spirit possession incident, and he has been a shut-in for more than two years. As he reintroduces himself to society as a private tutor, he meets a genius girl named Yayoi Houzuki. Yayoi is instantly able to tell that Keitarou has skill as a spirit medium, and she invites him to go with her to a haunted location. The two then start their journey capturing evil spirits.
First Air Date : Jul 10, 2023
Last Air Date : Dec 25, 2023
Runtime : 24 min.
Genre : Animation, Drama, Mystery
Stars : Yu Sasahara, Nobunaga Shimazaki, Kana Hanazawa
Quality : 
- Eps. 1 : Yayoi Hozuki2023-07-10
- Eps. 2 : Keitaro Gentoga2023-07-17
- Eps. 3 : Friends2023-07-24
- Eps. 4 : Eiko Hozuki2023-07-31
- Eps. 5 : The Freshmen Welcome Event2023-08-07
- Eps. 6 : The Promise2023-08-14
- Eps. 7 : S Tunnel2023-08-21
- Eps. 8 : Betrothed to Divinity2023-08-28
- Eps. 9 : Blasphemy2023-09-04
- Eps. 10 : Across Japan2023-09-11
- Eps. 11 : S-Rank Danger: Castle H Ruins2023-09-18
- Eps. 13 : Emancipate2023-10-02
- Eps. 14 : Old F Tunnel2023-10-09
- Eps. 15 : Old Old F Tunnel2023-10-16
- Eps. 16 : House Hunting2023-10-23
- Eps. 18 : Morning Twilight2023-11-06
- Eps. 19 : Within the Brothel2023-11-13
- Eps. 25 : Dark Gathering2023-12-25
