Nayuta, Miyako and Haruto gather at Itsuki’s room for Valentine’s Day, and Haruto tries to show off his friendship with Itsuki again. Toki then shows up with the chocolates that fans had sent to them. A few days later, a new face shows up at Itsuki’s house. Itsuki was getting ready to do his final return for his taxes and all of his possessions are carefully inspected by the new figure...
If I remember correctly, he used 
chocolate as a secret ingredient.
Wenn ich mich recht erinnere, hat er für
das Aroma etwas Schokolade beigegeben.
Si recuerdo bien,
usa chocolate como ingrediente secreto.
Si recuerdo bien,
usa chocolate como ingrediente secreto.
Je crois qu’il a mis du chocolat
pour relever le goût.
Se non ricordo male, ha usato
del cioccolato come ingrediente segreto.
Se me lembro bem, ele usa 
chocolate como ingrediente secreto.
Не дать соврать, он шоколадом приправлял.