Haruka Namiki, a detective of the Special Investigation Division, infiltrates the school to solve a series of mysterious disappearances that occur at the school.On the verge of finding a clue to the solution, it is attacked by another world creature "tentacles"!It tries to escape with fierce resistance, but the pleasure mucus secreted from the tentacles causes the body and mind to fall! !A beautiful girl who catches the sperm of a different world creature with an ahegao face and goes crazy with vaginal ejaculation! !