This document shares five real mistakes the author made during oshi‑katsu (supporting a favorite idol/artist) and the lessons learned from each one. It’s written to help beginners and experienced fans avoid common pitfalls and enjoy their activities more smoothly.
1. Ticket Application Mistakes
The author missed deadlines and even applied for the wrong date, resulting in losing the chance to attend desired shows.
Causes: Poor schedule management, lack of confirmation, overconfidence.
Solutions:
- Check official resale or trade options
- Set multiple calendar reminders
- Prepare notes before applying
- Double‑check all details before submitting
2. Buying Too Many Goods
The author bought every available item, filling the room with merchandise and straining their budget.
Causes: Emotional impulse buying, no budget planning, desire to own everything.
Solutions:
- Declutter unused items or trade/sell them
- Set a monthly budget
- Make a prioritized shopping list
- Use a dedicated savings method for oshi‑katsu
3. SNS Troubles
Posts about other attendees or accidental spoilers caused complaints and conflicts online.
Causes: Lack of consideration, weak spoiler awareness, posting while excited.
Solutions:
- Apologize and delete problematic posts
- Avoid mentioning other people
- Add spoiler warnings
- Save drafts and review before posting
- Use private accounts for detailed content
4. Conflicts With Oshi Friends
Miscommunication and differing levels of enthusiasm led to hurt feelings and arguments.
Causes: Not checking with friends, pushing personal values, unclear boundaries.
Solutions:
- Apologize sincerely and listen
- Set shared rules
- Respect different fan styles
- Keep promises and communicate clearly
5. Poor Health Management
The author stayed up late watching videos and skipped meals, leading to near fainting during a live event.
Causes: Overexcitement, lack of food, forgetting hydration.
Solutions:
- Sleep early before events
- Eat light meals
- Stay hydrated and carry essentials
- Bring basic medicine
Overall Message
Everyone makes mistakes in oshi‑katsu. What matters is learning from them and enjoying the experience in your own way. If you’ve made mistakes, it simply means you care deeply about your oshi. Keep supporting them with joy and confidence.