Mob

[Knight8]

A story where the main character awake in a world where his best friend is a harem protagonist,the MC name was Leonard i think

 

[CupcakeNinja]

Dunno why you asking here since this is still a somewhat small, low traffic site. Better to ask the main site, NU.sounds familiar tho...you try the series finder on Novelupdates? Add the mob tag and search for harems

 

[Pszek]

A story where the main character awake in a world where his best friend is a harem protagonist,the MC name was Leonard i think

I think the story is called “The Simulacrum“