SDMU-095 If a man and a woman they don't know spend the night tied together by a 30cm long red string... will they catch fire and have sex for the first time?

Three male and female college students meeting for the first time gathered under the name of "psychological research"! - Let's see if they will fall in love while living in close contact with each other all night long with a 'red thread'! - While staying connected, the distance between our hearts gradually shrinks even though we are shy while using the toilet, taking a bath, or watching AV! - ! - She is ashamed of her erect penis, but she can't control her sexual desire! - ! - Check out the vivid SEX of the impromptu couple!