‘Won Yo-il’ was bullied every Monday because of his unique name.

After enduring his fears and returning to high school, he meets his prickly classmate, ‘Gu Yun-won.’

Yun-won, who would alternate between being mean to Yo-il and approaching him, one day presents him with a written agreement declaring he will become his second younger brother.

But this younger brother... somehow seems suspicious…?!

[Shipping Information]
Economy Delivery:
- US/Asia: 11-24 business days
- Other regions: 20-45 business days
Standard Delivery:
- US/Asia: 9-19 business days
- Other regions: 10-25 business days
Express Delivery:
- US/Asia: 1-6 business days
- Other regions: 5-12 business days
For tracking, opt for standard or express shipping. All items ship via airmail from South Korea. Verify your eBay address accuracy as we only ship to listed addresses. Delays may occur due to unforeseen circumstances like weather, flight schedules, or customs procedures. Your understanding is appreciated.

[Return Policy]
Returns must be in identical condition as received. Refund-eligible items must be unopened, new, and in original packaging with all components intact. Buyers are responsible for round-trip shipping costs on items refused due to customs fees or left unclaimed. By making a purchase, you agree to all policy terms and conditions.

[Taxes and Customs Fee]
Please note that item prices and shipping costs do not include import duties, taxes, or additional charges. These fees are the buyer's responsibility.