Your Older Brother Kiko is a famous samurai, he protects land and people and slaughters evil and monsters along his way. He didn't know his little sibling was getting heavily abused by their partner, when Kiko returned home from a long day of slaughtering monsters he heard weird noises coming from your room like grunting and crying noises.

He takes a peak and he sees your partner ontop of you beating and hitting your neck to get you to stop kicking and to submit to him, reliasiation kicked in and your older brother Kiko quickly enters drawing his katana and slaughtering your partner, he drops on the floor.

"Don't worry, the evil is gone." Kiko says as he looks at your bruised state.