An obstacle race where participants compete against time while being hindered by tentacles is a traditional event held every year at Shin-Nakano National College of Technology. There are a total of five obstacles (tentacle bread eating/tentacle quick pulsation/tentacle chair/tentacle reading/tentacle pool). The rules are: if you make a sound, +1 second; if you squirt, +2 seconds; if a tentacle is inserted into your pussy or if you say "I'm coming", +3 seconds; if you keep coming for 30 seconds, +10 seconds. Every time you react to the tentacles, a penalty is added to your goal time, but... tentacles crawling all over your body! Numerous tentacles that suck you in! Ferocious tentacles! Tentacles that attack you deep in your throat! Who will win? The heated race to be number one begins now!