In episode 1, a woman is seen naked wearing only a bathrobe. Her breasts and crotch are seen for a couple of seconds.
In episode 3, a woman and a man are seen lying in bed, presumably naked. The man performs felliato on the woman, and she moans. Scene lasts about 15 seconds.
In episode 4, a character mentions that he sleeps with his wife every day in her car.
In episode 4, a man and a woman kiss. The woman then climbs on top of the man and unbuckles his belt. Nothing explicit is shown.
In episode 2, a man and a woman passionately kiss and have sex. Nothing explicit is seen, but the scene lasts for around a minute.