【DISC1】 01:starting the case: Rail Zeppelin 02:nervous talk 03:an excellent student 04:deep in thought 05:the matter is settled， anyway 06:well-disciplined classrooms 07:it was naff 08:someone pulling the strings 09:talking about nothing 10:chasing the enigma 11:sullenly 12:you were my king 13:the clock tower 14:a noisy student 15:I’m so useless... 16:I have found something 17:a small happy ending 18:he’s always serious， not kidding 19:let us play a game 20:waving goodbye
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