渡り鳥の門は遠く

Petroshkim Gymnajia is an elite boys boarding school for society's future leaders. 13-year-old Lodis and 14-year-old Yurius meet a young boy as the summer vacation comes to a close. The boy is their age but works as a teacher. His name is Jil.

The three quarrel and become good friends, until one day Jil vanishes. Lodis and Yurius need to know what happened......

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