basically student who looks like a girl doll saw the sensei d*ck once when he was young cus they were neighbors or sum and he was fantasizing about sucking on it when he was teaching. Later they met at the science room and the doll guy fucked the sensei and then proceed to insert two glass instruments one pipette into the d*ck hole and afterwards a measuring cylinder into the ass. It was later revealed that it was just the doll guy imagination and he confessed and the sensei said he will wait for him till he grows older so they can date.
The Science Room