"That's all well and good, but why leave a cellar like this here?" Senku asked. "Why not fill it in when tearing down the house that stood here? There were just flowers, so the house was definitely not at issue when we were walking above..." He mused.

"And just looking around, it's definitely not got anything of interest left behind. I'm baffled as to what to make of it. Do you think it's an accident we stumbled upon this?"