My sister Yui prepared a sleeping pill and pretended to be drinking in front of her brother because she wanted her to touch her brother's chapter. Brother and sister drowning in incest almost every night when her sister takes medicine. But one day she finds out that she is pretending to be drinking. Yui, who thought that her brother wouldn't come at this rate, took medicine in front of her to repair the situation. Yui was sleeping when her brother, who went to get her medicated water, returned. After confirming that her Yui was asleep, her brother stripped her Yui's clothes and touched her skin. Two people who are connected only while sleeping because they are ordinary brothers and sisters tonight. The next day was supposed to be the morning when I was greeted by ordinary brothers and sisters