The connection to innocence and a more innocent time.

None.

There is none, that's why they never win.

forces you to remember that one girl you could've banged but you didn't

It's the only real contact with a woman other than their mother that Otaku had in their life before becoming cave dwellers

>>142088035
writer's way of cheating, no need to get to know each other and all that.

>>142088035
only sex-friends

>>142088035
If it's one that you haven't seen in forever then it's >>142088221

If it is someone that you grew up with, it's someone that already knows who you really are and still accepts you.

>>142088035
>japanese people talking to strangers of the opposite sex

>>142088035
In manga, anime and related mediums, the equivalent to the "sibling" protagonists can actually fuck.

Self insert.

>>142088035
Minimal effort romance.

>>142088035
>What is the appeal of childhood friends?
Well...
>groundwork is already laid out
>you already both like to spend time together
>much easier to read their body language because of all the practice you've had
>less likely to break up over a small fight

>>142088035
Mutual trust over the years.