Kiss wa Sousa no Ato de: Again

Overview

Shiono, a tsundere junior detective, and Takoi, a humanistic detective in his 40s, are now united both physically and emotionally. Shiono's transfer has made their relationship long-distance, but they are still in love, thanks to the efforts of Shiono, who is a doting man who is always in love with the person he falls in love with! But Takoi's frustration is heightened by the arrival of a high-spec handsome man named Date, who calls Shiono “Shu”! (Source: J-Publishing, translated) Note: Includes one extra chapter.

Source: AniList