Confirmed. And the last 149 sector of the last track is also padded with 0xff.
And is 'NiGHTS into Dreams... (Japan)' irregular? Some sectors of the former pregap are also padded with 0xff in the all track.
:
LBA[098835, 0x18213]: P[00], Q[010301000943002159602402]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:43], AMSF[21:59:60]}, RtoW[0, 0, 0, 0]
LBA[098836, 0x18214]: P[00], Q[0103010009440021596153f7]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:44], AMSF[21:59:61]}, RtoW[0, 0, 0, 0]
LBA[098837, 0x18215]: P[ff], Q[01030100094500215962c9c5]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:45], AMSF[21:59:62]}, RtoW[0, 0, 0, 0]
LBA[098838, 0x18216]: P[ff], Q[010301000946002159633736]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:46], AMSF[21:59:63]}, RtoW[0, 0, 0, 0]
LBA[098839, 0x18217]: P[ff], Q[01030100094700215964ed80]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:47], AMSF[21:59:64]}, RtoW[0, 0, 0, 0]
LBA[098840, 0x18218]: P[ff], Q[010301000948002159659858]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:48], AMSF[21:59:65]}, RtoW[0, 0, 0, 0]
LBA[098841, 0x18219]: P[ff], Q[01030100094900215966026a]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:49], AMSF[21:59:66]}, RtoW[0, 0, 0, 0]
LBA[098842, 0x1821a]: P[ff], Q[01030100095000215967be6d]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:50], AMSF[21:59:67]}, RtoW[0, 0, 0, 0]
LBA[098843, 0x1821b]: P[ff], Q[01030100095100215968e5d3]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:51], AMSF[21:59:68]}, RtoW[0, 0, 0, 0]
LBA[098844, 0x1821c]: P[ff], Q[010301000952002159691b20]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:52], AMSF[21:59:69]}, RtoW[0, 0, 0, 0]
LBA[098845, 0x1821d]: P[ff], Q[010301000953002159703269]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:53], AMSF[21:59:70]}, RtoW[0, 0, 0, 0]
LBA[098846, 0x1821e]: P[ff], Q[01030100095400215971459c]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:54], AMSF[21:59:71]}, RtoW[0, 0, 0, 0]
LBA[098847, 0x1821f]: P[ff], Q[01030100095500215972dfae]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:55], AMSF[21:59:72]}, RtoW[0, 0, 0, 0]
LBA[098848, 0x18220]: P[ff], Q[01030100095600215973215d]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:56], AMSF[21:59:73]}, RtoW[0, 0, 0, 0]
LBA[098849, 0x18221]: P[ff], Q[01030100095700215974fbeb]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:57], AMSF[21:59:74]}, RtoW[0, 0, 0, 0]
LBA[098850, 0x18222]: P[ff], Q[010301000958002200004d76]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:58], AMSF[22:00:00]}, RtoW[0, 0, 0, 0]
LBA[098851, 0x18223]: P[ff], Q[01030100095900220001f706]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:59], AMSF[22:00:01]}, RtoW[0, 0, 0, 0]
LBA[098852, 0x18224]: P[ff], Q[0103010009600022000263f7]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:60], AMSF[22:00:02]}, RtoW[0, 0, 0, 0]
LBA[098853, 0x18225]: P[ff], Q[01030100096100220003d987]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:61], AMSF[22:00:03]}, RtoW[0, 0, 0, 0]
LBA[098854, 0x18226]: P[ff], Q[0103010009620022000447b2]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:62], AMSF[22:00:04]}, RtoW[0, 0, 0, 0]
LBA[098855, 0x18227]: P[ff], Q[01030100096300220005fdc2]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:63], AMSF[22:00:05]}, RtoW[0, 0, 0, 0]
LBA[098856, 0x18228]: P[ff], Q[01030100096400220006aa75]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:64], AMSF[22:00:06]}, RtoW[0, 0, 0, 0]
LBA[098857, 0x18229]: P[ff], Q[010301000965002200071005]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:65], AMSF[22:00:07]}, RtoW[0, 0, 0, 0]
LBA[098858, 0x1822a]: P[ff], Q[010301000966002200080f38]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:66], AMSF[22:00:08]}, RtoW[0, 0, 0, 0]
LBA[098859, 0x1822b]: P[ff], Q[01030100096700220009b548]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:67], AMSF[22:00:09]}, RtoW[0, 0, 0, 0]
LBA[098860, 0x1822c]: P[ff], Q[0103010009680022001053a9]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:68], AMSF[22:00:10]}, RtoW[0, 0, 0, 0]
LBA[098861, 0x1822d]: P[ff], Q[01030100096900220011e9d9]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:69], AMSF[22:00:11]}, RtoW[0, 0, 0, 0]
LBA[098862, 0x1822e]: P[ff], Q[01030100097000220012759c]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:70], AMSF[22:00:12]}, RtoW[0, 0, 0, 0]
LBA[098863, 0x1822f]: P[ff], Q[01030100097100220013cfec]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:71], AMSF[22:00:13]}, RtoW[0, 0, 0, 0]
LBA[098864, 0x18230]: P[ff], Q[0103010009720022001451d9]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:72], AMSF[22:00:14]}, RtoW[0, 0, 0, 0]
LBA[098865, 0x18231]: P[ff], Q[01030100097300220015eba9]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:73], AMSF[22:00:15]}, RtoW[0, 0, 0, 0]
LBA[098866, 0x18232]: P[ff], Q[01030100097400220016bc1e]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:09:74], AMSF[22:00:16]}, RtoW[0, 0, 0, 0]
LBA[098867, 0x18233]: P[ff], Q[010301001000002200176ad9]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:10:00], AMSF[22:00:17]}, RtoW[0, 0, 0, 0]
LBA[098868, 0x18234]: P[ff], Q[010301001001002200183167]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:10:01], AMSF[22:00:18]}, RtoW[0, 0, 0, 0]
LBA[098869, 0x18235]: P[ff], Q[01030100100200220019cf94]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:10:02], AMSF[22:00:19]}, RtoW[0, 0, 0, 0]
LBA[098870, 0x18236]: P[ff], Q[020000000000000000200517]{Audio, 2ch, Copy NG, Pre-emphasis No, MediaCatalogNumber [0000000000000], AMSF[ :20]}, RtoW[0, 0, 0, 0]
LBA[098871, 0x18237]: P[ff], Q[01030100100400220021b54a]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:10:04], AMSF[22:00:21]}, RtoW[0, 0, 0, 0]
LBA[098872, 0x18238]: P[ff], Q[010301001005002200222f78]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[03], Idx[01], RMSF[00:10:05], AMSF[22:00:22]}, RtoW[0, 0, 0, 0]
LBA[098873, 0x18239]: P[ff], Q[010400000173002200234606]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[04], Idx[00], RMSF[00:01:73], AMSF[22:00:23]}, RtoW[0, 0, 0, 0]
LBA[098874, 0x1823a]: P[ff], Q[010400000172002200249cb0]{Audio, 2ch, Copy NG, Pre-emphasis No, Track[04], Idx[00], RMSF[00:01:72], AMSF[22:00:24]}, RtoW[0, 0, 0, 0]
:
e.g. Puyo Puyo Sun? That is, "The first sector of the 2nd track's pregap is a scrambled data sector."?