Day One

• Is this deja vu?
• Clean garden
• Keep looking
• Noble’s clothes?

Day Two

• The one in the Sal Forest
• With just this info...
• Sal Forest
• Go further
• Pick there

Surrounded by superior numbers.
The above is for reaching this ending via Migiwa's route but if you go through Kohaku's route without unlocking the seal, you'll get this ending too.