Yakusoku no Nanaya Matsuri

Mihara Shouma is a first-year high school student. Shouma hasn't seen his good friend Atsushi in 3.5 years, ever since they lost contact with each other after elementary school. One day, Atsushi gets in contact with Shouma to invite him to a rare festival, so they can meet up and talk. Shouma goes to the "Tanabata Seven Night Festival" deep in the mountains, but Atsushi is not there. Instead, a girl named Shiori who also has a person she wants to meet is there. The festival's program manager Kanna suggests that he stay until the festival is over, and so Shouma and Shiori help Kanna prepare for the festival. Shouma and Shiori then get wrapped up in some strange events happening in the town. (Source: ANN)

Type: ONA
Rating: PG-13 - Teens 13 or older
Season: summer 2018
Status: Finished Airing
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Tags: sci-fi original work supernatural coming of age male protagonist japan drama artificial intelligence samurai amnesia ghost afterlife