Shorts played before Made in Abyss Movie 3: Fukaki Tamashii no Reimei in Japan's theatrical screenings.

The Sanzo Ikkou continues its westward journey, on a mission to prevent a demonic resurrection. As Genjo Sanzo, Cho Hakkai, Sha Gojyo, and Son Goku fight their way to their goal, their path is fraught with internal strife. When they encounter a formidable pair of adversaries from the west, the cohesion of the group -- and the fate of the mission -- may be at stake. (Source: ANN)

With the Inter-high over and as the end of summer approaches, Sakamichi trains intensely with Imaizumi Shunsuke and Naruko Shoukichi so he can carry on Team Sohoku’s spirit of supporting each other entrusted to him by Kinjou Shingo, Makishima Yusuke, and Tadokoro Jin, the third years who will be graduating before long. One day, Team Sohoku receives an invitation to the Kumamoto Fire Country Mountain Race, an invitational race for teams that performed well at the Inter-high, and their captain Kinjou decides their core Inter-high team will attend.

(Source: Crunchyroll)

The 7th Division's Private Hyakunosuke Ogata and former Shinsengumi Vice Commander Toshizou Hijikata find themselves on opposite sides of a gang war in Barato after hearing rumors of the Hidoro gang possessing an escaped prisoner's tattooed skin. With a lead to the hidden Ainu gold close at hand, the two gladly take up arms but a betrayal will force both sides to think twice before carelessly jumping the gun.