ベッドルームの中の戦争

Trotters can be reliably found in the Swarm Disaster mode while running the Hunt path. Topazs' skill counts as a Numby kill so you don't need to rely on Numby itself to land the final blow.

The Chinese version is probably a reference to the song, Bedroom Warfare (the chive and song have the same Chinese title), by ONE OK ROCK.