Inside the kotatsu is the NTR world! It turns out that a junior in the circle was dating Mina, who he had a crush on for a long time, and the three of them hold a birthday party. It was his first time drinking, so he quickly got drunk and confessed too late because of the momentum of the drink. Unable to stop his excitement, he gropes at Mina's bare feet under the kotatsu and presses on. Mina's face is stiff because she cares about her boyfriend next door, but every time she accepts a kiss and is teased, her pussy gradually softens. The woman doesn't understand because she gives a thick blowjob while saying "I can't do it any more...". Of course, there is a bond at the end of the shamelessness that goes up to 69. Men and women who have just learned SEX are fucking erotic!