Kimi no PINK & Boku no BLUE

Yuuki is an aspiring musician currently working as a housekeeper. One day, he is put in charge of cleaning the house of Kikuchi Koudai, a world famous fashion designer whose androgynous designs are centered around the color black. However, he has actually loved cute things since he was a child. What happens when Yuuki finds Koudai's secret plushie collection room and discovers his long-held secret love for cute things?

(Source: Chara, translated and edited)

Chapter count includes an extra.