名探偵の先輩は卒業し、葉山君は進級。新学期にはなったけれど、なぜか葉山君は先輩の謎を追いかけていて……。『理由あって冬に出る』に続く、コミカルな学園ミステリ第2弾、後編。<新学期編>は5編収録。
9 卷
会错意的冬日
2007-10-31
さよならの次にくる〈卒業式編〉
2009-06-30
本卷
2009-08-30
まもなく電車が出現します
2011-05-29
いわゆる天使の文化祭
2011-12-11
昨日まで不思議の校舎
2013-04-27
家庭用事件
2016-04-28
卒業したら教室で
2021-03-11
新学期にだけ見える星座
2026-01-30
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