Iwasaki has a bit of a crush on Professor Hoshino, a good-looking, respected young good-looking professor from abroad. Today he goes as usual to the laboratory, but what he sees there is the Professor and his best friend in a very indecent situation…!? With countless slimy, elongated things, the puppet-like Professor is… collecting semen…!? Wanting to do something for the Professor, Iwasaki offers up his own body, and soon finds himself being mercilessly assailed by countless tentacles… “That’s so big… No way… Ah…!” “I’ve never seen anything like this!” Jyupu! Zupupupu…! Three tentacles come crawling in…!? 200% extreme! This super erotic tentacle BL story is a must-read!