The Sentient One... Part-1.

Rio walked over to the floor tile towards which the vague calling was pointing.

'Is there a hidden staircase or something here? That's so cliché…'

Rio turned his sword into a thin and long type of sword, then he thrust the sword in between the gap between the floor tiles and used it like a lever to move the floor tile upwards.

And as Rio had suspected it, the floor tile moved, and removing it revealed a hidden manhole-like structure.

'Er… this… Why does this look like a sewer entrance…'

[Man, you can't be thinking of going inside that, right? If Lia saw you do that, she would be disappointed, tsk tsk…]

'Hey, you have been asking me to switch with you for a while, didn't you? How about you come out now and help me out a bit… Surely you can do that much, right?'

[No, no, your useless talk-no-jut*u won't work on me! Don't even think about sending me down there!]