There'S A Duel For A Love Potion On The Line, And The Whole Yuragisou Crew Are Embroiled In A Game Of Water Gun Survival! They'Ll Be Pitting Their Strength And Wits Against One Another To Win The Ultimate Wet Tshirt Battle Royale. Meanwhile, Kogarashi Undergoes Some Changes To His Psychic Powers Which Will Require Him To Be Even More Handson With Yuuna Than Usual...