Dokushin Kizoku wa Isekai wo Ouka Suru ~Kekkon Shinai Otoko no Yuuga na Ohitori-sama Life~ - Vol. 4 Ch. 20 - The Single Aristocrat is not bound.

[Toastility]

I love that the mc can have a bunch of platonic relationships with people, both male and female. It's a nice change of pace from falling in love just cause they spend time together