Nee-chan's Chocolate

Part of Chinami's charm is how she receives a ton of chocolate from secret admirers but hasn't a clue why (it's Valentine's Day). Her brother, Akito, is bummed out. He wants to give some chocolate to his beloved sister but feels he can't compete with everyone else. But Chinami catches her brother after school with the chocolate and gobbles it down. Then she kisses her brother--and feeds him some of the chocolate back! "I was serious," she whispers in his ear, "about the one I gave to you, Akito." (But what is the poor boy going to do about White Day...?)