Sakamoto Days: Assassin's Method novel was written by Yuto Suzuki and Renka Misaki with art by Yuto Suzuki.

Can a former assassin and his family go camping without someone sleeping with the fishes? Maybe not, if Shin and Nagumo's fishing contest has anything to say about it. Then, join elite assassin Shishiba and his disciple Osaragi's foodie ramen adventures, puzzle out Kashima's remote-work situation, and enjoy more Sakamoto Days stories only found in this novel.