退学関係者はよろしくお願いいたします
留年休学除籍蒸発などでも大丈夫です

今年で8年目らしい。
2020: https://adventar.org/calendars/4979
2019: https://adventar.org/calendars/3953
2018: https://adventar.org/calendars/3019
2017: https://adventar.org/calendars/2125
2016: https://adventar.org/calendars/1388
2015: https://adventar.org/calendars/735
2014: https://adventar.org/calendars/573