Medaka Box Side Story Good Loser Kumagawa Novel Version (Part 2) "The Zugzwang of Suisou Management" (めだかボックス外伝 グッドルーザー球磨川 小説版【下】 『水槽管理のツークツワンク』, Medaka Bokkusu Gaiden Guddo Rūzā Kumagawa Shousetsuban (shita) "Suisou Kanri no Tsukutsuwanku") is part two of a two part Medaka Box light novel by Nisio Isin. It is the third part of the sub-series, Good Loser Kumagawa Gaiden.