You got all the trophies!
First conversation with SHIMANEKKO.
Finish The Bond of Marriage Chapter 9.
Finish The Bond of Marriage Chapter 10.
Finish Crossing Paths Chapter 9.
Finish Crossing Paths Chapter 10.
Finish The Princess of Himegamori Forest Chapter 9.
Finish The Cursed Letter Chapter 9.
Finish The Cursed Letter Chapter 10.
Finish A Government Plot Chapter 9.
Finish A Government Plot Chapter 10.
Complete the Cursed Letter Route, Princess of Himegamori Forest Route, A Government Plot Route, and Crossing Paths Route.
Use the "Check" command 200+ times.
Use the "Check" command 100+ times.
Select all letter replies.
Spot SHIMANEKKO 10+ times.
