Kotonari

Kotonari (言成; surname not given) is the son of Makoto and Kotonoha who appears in the post-trailer material of Kotonohasama Days. He is implied to be the child Kotonoha was pregnant with in the original game's To My Child ending.

Appearance
While greatly resembling his father, Kotonari's bangs have a sweep similar to that of his mother's.

Personality
From what little is seen of him, Kotonari appears to be a cheerful child.

Link
https://youtu.be/eWlKtqfv3as?t=372

Trivia

 * Although his surname is unknown, given the tradition of 0verflow characters taking their mothers' surnames, it's likely to be Katsura.