Oniyama Jigoku
In *Adachi and Shimamura*, during their hot spring trip, the two visit a steaming hot spring pool with boiling water and a strong sulfur smell. Adachi nervously holds onto Shimamura's sleeve, while Shimamura calmly gazes at the water, surrounded by exposed rocks and low guardrails.
Scene context
动画第9集（温泉旅行篇）
Visit notes
- 该场景的原型位于大分县别府市的鬼山地狱，是别府地狱温泉之一，水温高达98°C。
- 动画中两人的对话和互动高度还原了轻小说第4卷的温泉旅行章节。