Teppeki Cool na Hanasato-san wo, Koi no Numa ni Hameru Hanashi. Zetsurin Elite no Choujikan Zubuzubu Noukou Ecchi

Mishima, an elite salesman, accidentally discovers a hidden side of his mysterious and highly capable coworker, Hanasato. Fascinated by this unexpected side of her, he gradually finds himself attracted to her, despite being hesitant about romance because of the trauma left by his previous relationship.

As the two go on several dates, they discover that their views on love and relationships are surprisingly compatible, eventually deciding to start dating. However, Mishima's previous breakup was caused by an unexpected issue: his overwhelming intensity and passionate approach to intimacy.

Now, the affectionate and energetic elite salesman meets the cool and seemingly unshakable Hanasato, and their relationship begins to reveal a side of both of them that neither expected.

(Source: Shogakukan, translated)