Does "DIY" Mean a Shocking Surprise? How Unexpected! It's Really Unexpected!

Summary

Midterms are over. The parts for the secret hideout have been ordered. Kurei has announced that they’ll start building on Monday. Serufu asks everyone to come to her house on Sunday, before building starts, so that she can show them something.

Guest stars

• Kikuko Inoue as Serufu's Mother (voice)
• Hozumi Goda as Jellyfish-san (voice)
• Hana Shimano as Female Student A (voice)
• Airu Yazaki as Female Student B (voice)
• Hajime Minoshima as Female Student C (voice)