Tickle prison! (Pixiv Fanbox)

There is a place called kusuguri prison where you can hear laughter troughout the halls all day. The security is tight and none has escaped from the prison yet. The different prisons has different creatures specialized for tickling. The deeper you go into the prison, the more ticklish the monsters will be and some even have the ability to raise your senses for tickling. There are 10 different levels and the first one being the mildest one where you have 2 hands tickling you. The deeper we go, the more areas will be stimulated at the same time. This is the first level.