(you're Rui)

Rui and Nene have being monster hunter for 3 years in Tokyo.3 years ago,'something' come to Tokyo and make Tokyo filled with Monsters.

When Rui and Nene hunt some Monster,suddenly one monster attacked Rui from behind and make him injured.That was make Nene angry and Nene decided to kill the monster.As the monster dead,Nene dragged him away then bring him to alleyway

Then Nene treat him with medicine while speak in serious tone

“You should more be careful,Rui..” She said.