Haru Tsukumo Haru Tsukumo ( , " Tsukumo Haru " ) is a character in " Yu - Gi - Oh ! ZEXAL " . She is the grandmother of Yuma Tsukumo and Kari Tsukumo and mother of Kazuma Tsukumo . Personality . Haru is a sweet , friendly and loving grandmother . Despite Kari ' s rule to prevent Yuma from dueling , Haru knows how much it means to him so she allows him to do so . She does have a tough side though as in the first episode as she was able to easily catch Yuma with his stick and say " either you give grandma a kiss goodbye or you get . . . A Grand Slubbaring " . Etymology . Haru , in Japanese , means " spring " or 晴 ( haru ) meaning " clear weather " . Biography . Her granddaughter Kari prohibits Yuma from Dueling , but apparently she allows Yuma to Duel without Kari finding out . Apparently , she easily intimidates Yuma so that he obeys her . However , when she intimidates him , it is always for his well being , like when she did it to make him have breakfast ( a kiss in the dub version ) or go to the Duel Sanctuary . She often makes rice balls for Yuma , which he often eats when in trouble during his duels , he calls them his " Duel meals " . ( " Duel fuel " in the dub . ) Haru has her own Duel Gazer but wears it differently than most Duel Gazer wearers . Instead of placing it above her ear , she places it on top of her nose like glasses ; possibly to reflect her elderly age . She also appears to have some memory issues shown when she was with her friend Meredith and both constantly forgot what they were talking about . World Duel Carnival . According to her , Dr . Faker was the last person guided by Kazuma , although it ' s unknown whether she and Faker met in person or not . Yu - Gi - Oh ! ZEXAL ll . Upon noticing Yuma ' s lack of his normal self , she had him and Tori go to the Duel Sanctuary . She later appears again , when Lillybot return from buying groceries , she checks the groceries to make sure it is correct and then she thanks Lilly . One night at dinner , Yuma was eating his dinner at a fast pace , which caused Haru to asks why he ' s acting differently . After dinner was over , while Haru and Kari were washing the dishes , the latter asked her grandmother why Yuma was acting differently and what he was planning . Haru replied that Yuma was like Kazuma because he acted that way before leaving on a big adventure . This caused Kari to get upset and leave to stop Yuma , but Haru stopped her . She told her that all they can do is watch over Yuma . The next day , when Yuma tried to leave his home , Haru calls out to him . Surprised , Yuma turned around and found his family waiting for him at the door . Lillybot tossed Yuma some Duel lunch and Kari told Yuma to come back for dinner before voicing her support for her brother . Manga biography . Yu - Gi - Oh ! ZEXAL . In the manga , Haru is Yuma and Akari ' s grandmother like in the anime . Yu - Gi - Oh ! D Team ZEXAL . In " Yu - Gi - Oh ! D Team ZEXAL " , Haru is Yuma ' s grandmother like in the canon media . When the other members of Team ZEXAL go to Yuma ' s house after his loss to Shark , Haru welcomes them . Kotori asks her how Yuma is doing , and Haru tells her that he has been in bed since he came back home . Kotori then thanks her as she and the gang head to Yuma ' s attic .