After successfully completing his studies in the dormitory, Yoru is now at his graduation ceremony. On the way home, while reminiscing about his student days, someone smiles and waves at him ...... It's his secret admirer's stepmother, Kana. Yu's heart is stirred by the reunion, and the two of them celebrate their graduation alone, with the love in their hearts boiling over once again. ...... That night, Kana kisses him tenderly and says, "This is a graduation gift from my stepmother. ...... "