A quick summary of the current situation!!!

Shibasaki High School Mathematics Teacher, Satou Sakie, is

a modern day succubus!

Fellow Biology Teacher

Takahashi Tetsuo, the one she ended up falling in love with!

They ended up kissing but

their relationship hasn't gone any father than that!

I wanna have sex

It's not time yet

Sakie-sensei wants to cross that line, and start their relationship as man and woman as soon

Tetsuo-sensei wants to cherish their first time

Their feelings don't line up!