Quoted By:
"The Six Hours for Sex" (性の6時間, Sei no Roku Jikan) is from 9 PM JST on December 24th to 3 AM JST on the 25th. The largest number of people have sex at this hour:
All your neighbors and friends has sex. There is no exception.
Your oshi is having sex with her boyfriend or husband.
That cute girl always talking with you has sex.
That beautiful lady with whom you're in unrequited love has sex.
If you have daughters or sisters and they aren't at home, they definitely have sex.
Your ex-girlfriend does what you did with her, with another man.
Your future girlfriends and wife moan in pleasure by other men's stuff.