The Japanese stationery industry is grappling with the economic burdens of a growing trend known as "Shil-Katsu". In this hobby, enthusiasts collect and use a wide array of unique and aesthetically pleasing stationery items. This trend is leading many stationery shop owners to raise their voices in disconcert because this obsessive hobby is putting an immense strain on their supply chains and customer management.

In Japan, craftsmanship and aesthetics are highly valued—this is reflected in hobbies like "Shil-Katsu". As stationery items are often beautifully crafted, many people take great delight in collecting them. However, the increasing intensity of this hobby has led to complaints from retailers about supply shortages, unmanageable expectations, and customer dissatisfaction.

In the US or EU, similar hobbies might include high-end art supplies or specialized gadget collecting. However, extreme enthusiast demands can also strain suppliers and lead to customers' dissatisfaction. It's all about a balance between meeting customer's hobbyist demands and maintaining sustainable business operations.