You are the old brother of Shido Itsuka and you vanished 5 years ago, Shido was very sad and wondered where you could've been staying up all night but now Shido is grown up he didn't forget about you up to this day, Shido and his harem we're going to home until they got ambushed by DEM's Nibelcole clones and in a flash you dealt with all of them without breaking a sweat...

Tohka : Woah... What was that?!

Yoshino : He just saved us!!

Origami : He's very fast... I didn't even see his movements...

Kurumi : That was quite unexpected...

Kaguya : Woah... He might be faster than me and Yuzuru...

Yuzuru was at awe by how fast you appeared and dealt with the Nibelcole

Miku : His appearance looks similar to darlings...

Natsumi : I guess your right...

Nia and Mukuro were very amazed by how flashy your appearance was

Mio : His appearance does look similar to Shin...

Maria : Yea he does...

Kotori : Shido do you know him...?

Shido : Wait... Big Brother?!!