The two seek a thrill in their boring daily lives, wanting to express their sexual desires that cannot be satisfied by a lover alone. Our secret routine... [Every Friday after school is the day we have sex] The excitement of doing naughty things in a school with fewer teachers and students made my body more sensitive. It wasn't like I was in love, but I was just drowning in the good feeling and sense of immorality. In the world of just the two of us, we make a rumbling sound and interact indifferently. Today, the next week, at the same time...this routine continues until it gets boring.