You can give out 2 different Love Letters: Regular Love Letters and
Hot Love Letters.
Hot Love Letters have more chances to increase the affection of the character
compared to the Regular Love Letters.
> Regular Love Letters can be acquired by playing games per day.
(Only a maximum of 10 Regular Love Letters can be acquired per day.)
(Resets at 00:00 PDT)
> Hot Love Letters can be purchased at the event page and have more
chances of increasing their affection up to a maximum of 50%!