The Chairman Is Meets The Imprisoned Auroral Blaze Weapon User Mari Nikaido Who Is Suffering From Amnesia And Makes Her An School Student Hoping To Use Her As Bait To Draw Out Valhalla At The School The Chairman Is Explain That Lapis Is A Legendary Sword Blaze User And Chose Tai Chi For His Sword Skills Then Lapis Has Enrolled As A Member Of 35th Platoon Under Supervision Of The Akatsuki Sister So The Chairman Is Orders 35th Platoon To Guard Mari Then Oka Is Outraged At Having To Keep A Evil Blaze Holder Safe So Mari Is Outfitted With A Gleipnir Necklace That Will Prevent Mari From Use Her Blaze Weapon Then Mari And Oka Are Immediately Fight With Each Other Which Gets Worse As They Are Compete In Class With Oka Being More Physically Capable And Mari Being More Intellectually Capable But Akatsuki Does Not Care That Mari Is A Evil Blaze Holder And Treats Her Like A Member Of The Team So Mari Is Expresses Her Desire To Use Blaze Weapon To Help People Elsewhere Haunted Who Is Obsessed With Mari Recalls How Mari Only Agreed To Work For Him If He Did Not Kill Innocent People Following Which He Had Murdered School Students Before Erasing Her Memory And Framing Her For The Crime Meanwhile Akatsuki Is Stops Oka And Mari From Fighting Only For Oka To Realise Akatsuki Is Already Calling Mari By Her First Name And The Girls Start A New Fight Now Attempting To Make Each Other Jealous Then Usagi Is Enters Them In A Mock Battle Tournament Against The Other School Platoons So Mari Is Told To Live With Akatsuki (Secretly The Chairman Plot To Make Her An Easy Target For Valhalla) And The Jealous Oka Is Insists On Living With Them To Keep Mari From Possibly Seducing Akatsuki But She Is Terrified When Akatsuki House Appears To Be Haunted An Incident With Oka Being Scared By A Ghost In The Shower Ends With Both Girls Naked On Top Of Akatsuki For Which He Is Punished Then Mari Is Tells Akatsuki That She Is Worried Being Evil Blaze Holder Makes Her Too Different From Her Teammates 35th Platoon Struggle In The First Round Of The Mock Battle Until Mari Is Surprises Everybody By Using Herself As A Decoy Allowing 35th Platoon To Win So Oka Is Grudgingly Admits That They Would Have Lost Without Her Which Embarrasses Mari Then Ikaruga Is Thrilled That Mari Is The Tsundere Member Of The Team 35th Platoon Celebrate Their Victory With The Exception Of Oka Who Delivers A Report To The Chairman Only To Learn Mari Was A Member Of Valhalla And Was Accused Of Murder
