Here is the full list of all 9 Laid-Back Camp - there are Virtual - there are Lake Motosu achievements.
Viewed all Rin chat events.
Camped for a full day.
Camped overnight.
Initiated into Secret Society B.L.A.N.K.E.T.
Reached nighttime.
Looked at a pine cone 3 times.
Reached evening.
Sent a photo to your friends in the OEC.
Started camping for the first time.