noun
true feelings chocolate; Valentine's chocolate for a romantic interest
Refers to chocolate given on Valentine's Day to a man the giver has genuine romantic feelings for, as opposed to 義理チョコ (obligation chocolate).
See also: 義理チョコ
今年は彼に本命チョコを渡すつもりです。
I plan to give him true feelings chocolate this year.
本命
The difference between true feelings chocolate and obligation chocolate is the sentiment.