Omake 5 is a bonus feature that was included in volume 5.
- Illustration: Gonzui Kumatori haunts Kenichi in his dreams.
- Short story: Honoka thinks that drinking the water from Ryōzanpaku's hot spring might make her breasts grow as big as Miu's and Shigure's. She almost drowns herself.
- Short story: Shigure poisons Gonzui's tea.
- Illustration: Kisara wearing very skimpy pants.