
Rina Kawaguchi
Acting
Biography
Rina Kawaguchi (川口 莉奈, Kawaguchi Rina, born November 24) is a Japanese seiyū (voice actress) from Saitama Prefecture who is affiliated with Aoni Production.
Known For

Amane lives alone in an apartment, and the most beautiful girl in school, Mahiru, lives just next door. They've almost never spoken—until the day he sees her in distress on a rainy day and lends her his umbrella. To return the favour, she offers him help around the house, and a relationship slowly begins to blossom as the distance between them closes…
The Angel Next Door Spoils Me Rotten

The story centers on Keitarou Gentouga, who has the ability to be a spirit medium. In junior high school, he got someone else wrapped up in a spirit possession incident, and he has been a shut-in for more than two years. As he reintroduces himself to society as a private tutor, he meets a genius girl named Yayoi Houzuki. Yayoi is instantly able to tell that Keitarou has skill as a spirit medium, and she invites him to go with her to a haunted location. The two then start their journey capturing evil spirits.
Dark Gathering

Recently dumped, Akane is just about to quit the game she used to play with her boyfriend, when she meets Yamada in the same RPG. Yamada in real life turns out to be somewhat of a legend. The only problem is - he is ONLY interested in the game. As Akane's feelings grow, will Yamada's focus stay on the game?
My Love Story with Yamada-kun at Lv999

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!
Blue Box

In the virtual world, you can be anyone. And for Miracle, her dream is to be a famous virtual artist! Miracle attends ADEN Academy, where she learns new talents to prepare her for her big debut. Although she’s a bit of a klutz, she’s determined to follow in the footsteps of her idol: the legendary VTuber, Kizuna AI. With dedication and the help of her friends, her dream just might come true!
Kizuna no Allele

A diligent teen winds up living with his spunky childhood friend, a trainee witch, to protect her from a dire prophecy. But can they survive high school?
Witch Watch

After middle school, with its bullying and nicknames, Uka Ishimori is excited for a fresh start at Hachimitsu High School. Kai Miura, a cool and uninhibited boy, sits next to her in class. Uka remembers she met Kai in middle school and with a single word, he had convinced her to attend Hachimitsu. Though he’s popular, Kai supports Uka in her efforts to fit in with her new classmates.
Honey Lemon Soda

Before eradicating humankind from the world, the gods give them one last chance to prove themselves worthy of survival. Let the Ragnarok battles begin.
Record of Ragnarok

Kiyo and Sumire came to Kyoto from Aomori Prefecture, dreaming of becoming maiko. But after an unexpected turn of events, Kiyo starts working as the live-in cook at the Maiko House. Their story unfolds in Kagai, the Geiko and maiko district in Kyoto, alongside their housemate maikos. Kiyo nourishes them daily with her homecooked meals, and Sumire strives toward her promising future as the once-in-a-century maiko.
Kiyo in Kyoto: From the Maiko House

In Orario, fearless adventurers band together in search of fame and fortune within the underground labyrinth known as the Dungeon. But Bell Cranel, novice adventurer, has bigger plans than riches and glory; he fights monsters in the hope of having a fateful encounter with a girl. When this happens, it doesn't go exactly as he planned. Thus begins the story of an unlikely pair, a boy and a goddess, both trying to prove themselves, both eager to reach their goals.
Is It Wrong to Try to Pick Up Girls in a Dungeon?

Determined to protect his demon world from heavenly angels, demon Masatora Akutsu heads to earth in search of a charismatic human to rally his kin. Masquerading as a high schooler for his recruitment mission, he's captivated by the lovely Lily Amane. But he's in for a wild celestial surprise, because she's his archnemesis—an angel—and she's set on reforming his demonic ways!
The Foolish Angel Dances with the Devil

Yuki plays death games for a living, but when she wakes in a mansion with five other women, can she survive a new lethal maze of locked rooms and traps?
SHIBOYUGI: Playing Death Games to Put Food on the Table

In a world where likes are currency and every viewer is a judge, OMGkawaiiAngel—also known as KAngel—is determined to become the ultimate "Internet Angel." Yet beneath her pastel smile and lively streams, there's more than meets the eye.
NEEDY GIRL OVERDOSE

Morihito Otogi, a high school student who comes from a lineage of ogres, enjoys a peaceful, ordinary life until his childhood friend, Nico, moves in with him. Nico is a witch-in-training, and chooses Morihito to be her familiar. While Nico is thrilled to reunite with her old friend and crush, Morihito is tasked with the perilous duty to protect her from a foretold calamity. Between the unpredictable chaos caused by Nico’s magic, and the awkwardness of sharing a home, their lives become a whirlwind of supernatural hijinks and threats. A special theatrical premiere event featuring the first three episodes and exclusive interviews.
Witch Watch: Watch Party

A theatrical compilation of NEEDY GIRL OVERDOSE anime series titled NEEDY GIRL OVERDOSE -OVERTURE- will start playing at Theatre Shinjuku in Tokyo, and at Theatre Umeda in Osaka on March 6, 2026.