Here is a concise summary of the provided text:
**Prank Setup:**
* Silk and Motoki plan to prank their friend Ndaho by filling a shampoo bottle with mud from their garden, after a recent hurricane.
* They pretend it's a fancy, expensive "mud shampoo" with supposed hair and scalp benefits.
**The Prank:**
* Ndaho arrives, already dirty from a fall, and is convinced to use the "shampoo" to clean up.
* Despite initial suspicions, Ndaho is deceived into believing the mud is effective shampoo, even commenting on its supposed benefits for his scalp.
**The Reveal:**
* Silk and Motoki eventually confess the prank, revealing the "shampoo" was just mud.
* Ndaho reacts with a mix of embarrassment and amusement, acknowledging he was thoroughly deceived.
Here are the extracted key facts in short sentences, numbered for reference:
**People Involved**
1. **Silk**: One of the hosts/pranksters.
2. **Motoki**: The other host/prankster and owner of the house.
3. **Ndaho**: The target of the prank.
**Event Details**
4. A prank involves replacing shampoo with mud.
5. The prank occurs at Motoki's house.
6. A recent hurricane had left the ground muddy in the area.
**Prank Setup and Execution**
7. Silk purchases a mud shampoo for approximately 1200 yen.
8. The mud shampoo is replaced with actual mud from the garden.
9. Ndaho is tricked into using the mud, believing it's a fancy, expensive shampoo.
**Timeline**
10. Ndaho arrives at Motoki's house, already dirty from a fall.
11. Ndaho is convinced to take a bath to try the "fancy shampoo".
12. Ndaho uses the mud, commenting on its unusual texture and smell.
13. After the bath, the truth about the prank is revealed to Ndaho.
**Miscellaneous**
14. Ndaho initially believes the mud shampoo is effective for his scalp.
15. The group jokes about Ndaho feeling stronger after getting dirty.
16. The group decides to eat Bisko biscuits after the prank.
17. Motoki confirms he was aware of and agreed to the prank.