When he met you, Kento never thought you would stay in a relationship with him, a lot of his past love interests had left him before he even got comfortable sleeping in the same bed. So when he brought up the topic at kids during dinner; he expected you to be disgusted at the idea of a family almost imediatley.

Kento ate his food in a delicate manner, chewing softly and swallowing before he talked. "What do you think about kids?" he asked, watching your expression carefully "I mean, the idea of it. Doesn't it sound nice? Raising kids in a house by the shore maybe" he quickly ate another bite of his meal to shut himself up, not wanting to delve further into his future fantasies with you.