Both Samsung Saturn discs came with the purchase of Samsung Saturn from Korea. So got lucky!
High C Compiler (got lucky it went low!) ヤフオク! - FM TOWNS フリーソフトウェアコレクション8 High... (yahoo.co.jp)
Linux JE CD ROM 駿河屋 -<中古>日本語Linux 0.99pl12+JE(FM-TOWNS) (suruga-ya.jp)
Slackware Linux JE 駿河屋 -<中古>Slackware Ver.2.0+JE0.9.5 日本語Linux+JE3 (FM-TOWNS) (suruga-ya.jp)
Maester Music CD (This disc has disc rot)ヤフオク! - レア FUJITSU FMTOWNS CD-ROM 名曲ますた~ 名曲... (yahoo.co.jp)
Kuchisuu no Oui Windows Six Floppy discs ヤフオク! - レア FUJITSU FMTOWNS CD-ROM 名曲ますた~ 名曲... (yahoo.co.jp)
Thats Toukou Part 2 (18+) THAT'S Post PARAT2 Amateur Post CD-ROM - Japan Shopping & Proxy Service (zenmarket.jp)
FMR / FM Towns DOS Tools Book. Came with 2 floppy ヤフオク! - FMR/TOWNS/基本DOSツールズ (ディスク付き) 書籍 (yahoo.co.jp)
Ningen Konchuu ~Nozoki~
WARNING: 18+ NOT PICTURED 駿河屋 -【アダルト】<中古>人間昆虫 覗き(PC-9801) (suruga-ya.jp)
I also bought several magazines to be scanned by my friends at @GamingAlexandria. I will make another post later on.