The lab maintenance is finished and the system comes back online. The police come to the island, but the investigation has made no progress. At last, however, Saikawa solves the mystery of the locked room and prepares to confront the culprit.
Sohei-kun goes to Tokyo a lot, doesn't he?
سوهي-كن يذهب إلى طوكيو كثيرًا، أليس كذلك؟
Sohei ist doch oft auf Tagungen
in Tokyo, nicht wahr?
Souhei-kun va a Tokio a menudo, ¿no?
Souhei-kun va a Tokio a menudo, ¿no?
Sôhei vient souvent
dans la région de Tokyo.
O Souhei-kun costuma ir muito 
pra Tokyo, não é mesmo?