A sudden ray of light in the boring daily life. Yuuta fell in love with his mother's beautiful friend, Sayuki, at first sight. Yuuta wanted to somehow become close with Sayuki, who had come from the countryside and was staying for a few days. Because he is shy and not good with words, he couldn't join the conversation, and in his frustration, he impulsively used underwear as a stimulant. At that moment, Sayuki happened to catch him, but instead of getting angry, she kissed Yuuta...
