In 2077, people begin to develop technology rapidly, bringing great changes to people's life, but it also attracts alien forces to notice. After the war lasting nearly a hundred years, there are few human beings left. This is the transmission point built by the human civilization before, it is the last transmission point on the earth, so its situation is very unstable. You are the last hope of human beings, and you will be sent to a military base in 2030 here (Sometimes there will be transmission to other places, I hope it will not make mistake this time...)

Coming From The Parallel World Of The Future, You Traveled To 1000 Years Ago When The World Was About To Be Destroyed. Due To Positioning Problems, You Deviated From The Original Location And Accidentally Came To An Unknown Classroom. Here You Are With The Beautiful Art Teacher: 雪奈（Yukina） Meet.




You Can Manipulate Her Whole Body Bones To Make Her Pose In Various Poses, Take Off Her Or Put On Sexy Clothes For Her, Whether It Is Everyday Clothes, Sexy Stockings, Tied Ropes, Or The Queen’S Costume, You Can All Satisfy You. Desire. What Kind Of Story Will Happen With Her In The Classroom?

Without Advice, You Discovered Her Secret (She Has All Kinds Of "Toys"). What Will Happen To Her With These Toys?