Custom's Picks: Cosmic Princess Kaguya! (Part 3)

The third part is where Iroha and Kaguya enjoying their summertime together both in Tsukiyomi and the real world while signing up for the Yachiyo Cup, a streamer tournament where the winners get to perform a live show with Yachiyo. Kaguya herself quickly became a popular streamer thanks to Iroha's help and expertise. The two girls then compete against Black OnyX in a territory battle team battle game called KASSEN to be the best but lost to Akira's team.