Motohama and issei and Hiroki sitting on rooftop with rivice,coca cola,Pepsi.

They were resting after fighting mahito.

"So you saying that your sister got kill by that guy?" Hiroki said and add more " that why you hate yourself because you couldn't save her"

"Pretty much yeah"

"Well, sorry for your loss,senpai" Hiroki said while looking down with pity for his senpai.

"Everytime I tried to sleep. I hear her voice, haunting me"

"NII-CHAN!!! I just try to comfort you! Baka" the little shout from Motohama's back.

"Sometime I can hear her voice in my head" Motohama said.

Meanwhile Issei rubbing his eye with index finger and thumb. Hiroki facepalm about his senpai right now.

"Bruh. Your little sister is litteraly behind you dumbass"

"Wait really?" Turn around to see nothing but air.

"You seriously need a therap-AHHHH!" He got jump scare by his little sister.

She floating upside down while looking at him with a smile.

"why did you do that!?" The pervert glass student ask.

"Gome gome". The little girl apologize

The almosphere was quiet for Hiroki and issei.

"Well, see ya tomorrow. Dude" issei said as he immediately disappear in a blur.

"Later senpai" Hiroki said as he jump off the rooftop with a grappling hook

"Sara I.... Sor-"before Motohama finish his sentence his sister, Sara interrupt the dialogue

"You are sorry for not saving me. I knew so just don't hate yourself for me" Sara said.

"But I-" Motohama about to make a excuse

"No but! Even if I not here again, I just want you to enjoy life without us"

Sara is slowly fading away. It make Motohama forgive himself for his guilt.

"oNii-Chan before I gone from this world. Please finish my death's wish"

"What is it?"motohama Ask

"Please live a full life without us there." Sara said with sad smile before she disappear into spiritual energy.

Motohama walk to Sara's spot and pick a necklace up with a picture of them.

Then the necklace turn into dust as he look it fly away.

Meanwhile issei.

"Maybe I should call it team phantom" issei said as he doing something on the computer.

The end of unknown crime arc