|Habitat:||Outside Tokyo, unknown exactly where|
|Personality:||Hardworking, good at studies, caring|
|Friends:||Shizuka (childhood friend)|
|First appeared:||Long Time No See Trunk|
Ken has wavy-ish black hair, black eyes, and dark peach skin. He was seen wearing a college uniform in Long Time No See Trunk.
Ken appears to be hardworking and good at studies, which may be a reason Shizuka is so fond of him.
- In the Bengali dub his name is changed to Shumon.
- Shizuka refers to him as Onii-chan or Ken-niichan.