Part 43: UPDATE 43
Archive 085 - Eri Azuma's vinyl record
Tomoko's room in the house at Tabori had the same poster of this idol as the one Tamon found in the Kondo house. If we had stayed in the room we could have heard more of the song: Bonus 4
Archive 091 - Missing persons poster
Namiko Yoshikawa should be a familiar name by this point in the story. See Update 12 and Archives 28 and 41.
Archive 092 - Skyfish
See Archive 49 and the Extras section in the OP for additional information on skyfish.