boy next door

Translations
парень из соседнего дома
He is the boy next door type, very friendly and approachable.
Он парень из соседнего дома, очень дружелюбный и доступный.
Definitions
A boy next door refers to a young male who is perceived as friendly, approachable, and often embodies the qualities of an ideal neighbor or friend. This phrase is commonly used to describe someone who is relatable, down-to-earth, and typically has a wholesome or charming demeanor.
Words
boy

noun
мальчик
next

adjective
соседний
door

noun
дверь