Here’s a link to a 30-page doujinshi on Pixiv—YamaSai-02- by 10mon_多忙中—that features Yamato and Sai on a casual date at the beach and is clearly based around/suggested by SD episode 19. As always, a translation would be shiny, but it’s a fun ‘read’ even without and the art is lovely.

Text
Photo
Quote
Link
Chat
Audio
Video