A smart guy Saionji in hot hentai anime D Spray part 1 works in a Researching Institute with extremely beautiful girl Sakuragi, co-worker girl Kawasaki and strict but hot boss Reiko, they made an aphrodisiac spray for men. If a man will use this spray no one woman can resist him. The boss offers Saionji to test a new product on some girls, he must spray it on his body next to a girl and see a result. His lucky day became true. First was always busy girl Kawasaki in a laboratory room. Then of course his favorite Sakuragi on the roof when he invited her for a talk, that spay himself and she can not stop her horny desires. Than they continue in the office till late evening.