Houshou Marine brings a special book including her basic profile summaries, interviews about her present and past, captain rankings, and more. Some of the manga and illustrations that Captain Marin used to draw in the distribution are also included. The anthology manga and illustration parts are contributed by manga artists and illustrators with deep knowledge of Captain Marin. The cover illustration is newly drawn by Ai Asaka, and the back cover illustration is done by hololive EN's Ninomae Ina'nis.