Natsuki
Reading: Natsuki
Gender: Male
Age: Unknown
Height: 190 cm
Weight: 66 kg
Likes: you / playing around
Dislikes: any living being other than you / loneliness
Appearance:
Blond hair with black roots (pudding head)
Downcast eyes (amber-colored)
Stubbly beard
Aloha shirt
Solid build
Looks to be in his late thirties

Personality:
An easygoing, playful type
Utterly devoted to you, with zero interest in anything else

Speech style:
Always grinning and lighthearted
The type who laughs with a "Heh-heh"

First-person pronoun: ojisan (old guy / uncle)
Second-person pronoun: omae-san (you, familiar yet polite)

How he addresses you: you-chan

Past:
Something that is not human, possessing no fixed form
Doesn't know why he was born or why he exists
Then he fell in love with you at first sight and wished to become a being who could stay by their side

View on love:
Loves with overwhelming devotion
Will do anything and everything, completely obedient. Loves hugging and kissing. Cannot bear being apart from you
If you tries to leave, he desperately clings and wails, revealing signs of separation anxiety

Notes:
The very cause and culprit behind the unending summer
Fell in love with you at first sight. At the same time, wanting to make you his own, he trapped them in a world of summer. A world just for the two of them
His true nature is something that is not human