第 19 集: 渡邊尋求幫助以籌備咲的成年禮，其他人則對抗一隻被詛咒的蟑螂。

Wataru notices that Saki is acting strange so he decides to ask Hayate and Maria for help while he's picking up the cursed video that Nagi rented. The person who watches the cursed video will be attacked by a giant cockroach. It seems that Wataru forgot about Saki's seijin shiki, Coming-of-Age ceremony. While Wataru is asking Nagi where he could buy a kimono for a certain person, Hayate, and Maria battle the giant cockroach. Maria screamed in fear and hugs Hayate, saying that she can't handle a black rustling creature. The narrator explained the story of Saki's grandmother, Rei Kijima, who was the legendary housemaid when Saki was little. Nagi mistakes Wataru's present to be for Isumi so she sends Isumi to Wataru's house. After Isumi left, Saki stands in front of Wataru and he shows Saki the kimono, and she responds it was thoughtful of him. Later at night, Maria is seeing Hayate and Nagi enjoying the fireworks show until a little flying cockroach landed on her, and she froze in fear for a while. (Source: Wikipedia)

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