"I'll be your leg, Master!" Atri, who was supposed to be with Cathrine, has come back to Natsuki. Although she was pumped to be of assistance to her new master, she fell into the ocean while carrying him and failed at cooking… It's as if she is a piece of scrap. Atri seems to have received a very important order from Nonko and tries to remember what it is, but...
A GUIDE TO MARINE ENGINEERING
دليلك في الهندسة البحريّة
Handbuch der
  Meeresgeologie
Ingeniería oceánica
Ingeniería oceánica
Manuale di ingegneria marittima
GUIA DE
ENGENHARIA MARINHA
Морская инженерия. Руководство