Seri Mizutani is a character that appear on Hell Girl season 2 (Jigoku Shoujo : Futakomori). She and Takuma start a close bonds as friends.
Seri is a girl who used to live in Lovely Hill. She explain to Takuma that she once live near the lake that Takuma and her met each other. She told Takuma that she was having a great time there cause she loves it when the frogs are croaking there and usually look for the frogs, even get scolded by her mother. She was later then taking a revenge cause of her house was torn down to make a train station, where it was never materialized. And so she met Mr.Hasue and blackmails him and expect a large sum of cash. She was later sent to hell by Mr.Hasue's wife after she took a large amount of Moneys that placed by Mr.Hasue on his Mailbox.
Seri is a kind and cheerful looking girl who always appear riding her frog-like bike. She also appear as a wild type, that shows on how she rode her bike inside the mall. Despite to that, she is a kind hearted person who always tries to cheer Takuma.
Seri is having a long brown hair, black eyes, and fair skin. She often appear wearing a pink jacket with a black suit on the inside. She also wearing her short pants, and black boots.
Seri and Takuma first met on a lake on the Lovely Hill. She was first suddenly appear behind Takuma, blowing bubbles to him. She and Takuma was having a few conversation and told Takuma about her past that she was used to live on Lovely Hill like Takuma. She later invited by Takuma to come over his house and Seri decided to
Seri talk with Takuma
make him a dinner.
At the Bus stop, she ruin the Bus stop sign by a green ink spray. She was told Takuma to do it too but Takuma refuse and later cry, remembering what his dad taught him. Seri then apologize to him and then hug him and the two started a strong bonds together as a friends.
Right when she and Takuma arrive, Seri help out Takuma in cleaning the mess on his house. Right when they having a dinner, Kikuri come suddenly, and asked by Takuma if Jigoku Shoujo/Hell Girl (Ai) is here. Although Kikuri answer that she doesn't know, and Seri ask to Kikuri what Jigoku Shoujo is cause she appear to never heard of Hell Girl (even guessing if it was an Anime).
Seri taking a shower
Hone Onna and Wanyuudo saw Kikuri come to Takuma's house and later stopped by to take Kikuri. When Hone Onna about to take her home, Ai suddenly appear among them and told both to come home. Seeing Ai appear on Lovely Hill, Takuma knew that there's someone accessing the Jigoku Tsuushin/Hell Corresponding again.
While Takuma thinking of it, Seri and Takuma talk a little while and Takuma seems to be kind of confused about this. As Seri see Takuma confused, Seri quickly hugged him from behind while naked, saying that its alright
Takuma hugged by naked Seri
. After that, Seri was seen on the night talking on the phone, told someone to put a money on his Mailbox. Takuma quickly find out and Seri told Takuma about her past and revenge where she take Mr.Hasue as a target.
Later on the morning, Seri about to leave Takuma. Seri then visit Mr.Hasue's house and take a large amount of cash on his mailbox. Takuma who is concerned about her quickly chase after Seri and later then only find her bike lying on the street and the moneys spread all over the place. Mr.Hasue's wife was later seen having the symbol, prove that she's the one who sent Seri to hell cause of her strong grudge on Seri.