|Aliases||Mr. Perfect, Li'l bro, Micheal Helps|
|Measurements||Height: 179cm, Weight: 62kg|
|Hair||Black, Blue, Spiky, Spiky Bangs|
|Body||Muscular, Slim, Tall, Teen|
|Clothes||Goggles, Pin-Back Button, Scarf, Swim Shorts, Trousers, Uniform, Watch|
|Personality||Honorable, Kind, Lisping, Naive, Obedient, Proactive, Workaholic|
|Visual novels||Main character - Camp Buddy|
Natsumi is seen as a role model among the campers due to his responsible and hardworking nature. However, he is pressured with the high expectations built around him.