Amateur men participate in the project! So popular that it's the fourth installment!! The super cute girl marichuu, also known as Mariri Natsu, makes her grand appearance!! Those who have watched the previous series works and think they can do better with confidence, and fans who wrote 'delayed ejaculation' and 'hard to cum' in the survey are strictly selected for this Mariiri Natsu exclusive hard mode! Despite this, she squeezes out sperm one after another with her hip thrusting and dry humping techniques! But, noticing that it might not be possible to do it raw like this, what will Mariri Natsu do…?
