The agency manager gives a real AV lesson to the new actress, Seri Hoshino, who doesn't know what to do! From kissing to blowjobs, missionary position, and cowgirl position, she is thoroughly trained! As the shoot progresses, Seri's 'hidden eroticism' is awakened! ? It's a must-see to see an amateur girl become an 'AV actress'. Please take a look at this rare video taken before her debut!