Hebi to Kumo / Snake and Spider

Saeki, an ordinary office worker who just lived from paycheck to paycheck, spending his days relieving sexual desire and stress through the secret account of his unbearably annoying boss Misaki.

Misaki's impeccable work ethic, her excessively high ambitions, and the kindness with which she accepted him even when he failed...

All of this made Saeki feel miserable. In a secluded alley, when they were alone, he attacked her...

However, Misaki not only didn't push him away, but even kissed Saeki...