Originally a bad girl, but becomes the president of Taichi's class in their second year.

A member of the Student Volunteer Club.

The five members of the Cultural Research Club - Taichi Yaegashi, Iori Nagase, Himeko Inaba, Yui Kiriyama, and Yoshifumi Aoki - encounter a bizarre phenomenon one day when Aoki and Yui switch bodies without warning. The same begins to happen to the other club members, throwing their daily lives into disarray. 
At first the five students find some amusement amidst the confusion, but this unwarranted connection also exposes the painful scars hidden within their hearts. As their calm lives are shattered, the relationships between the five students also begin to change... 
(Source: Crunchyroll, edited)

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Sumire entered the entertainment industry at the age of 9, when she was scouted by Space Craft's junior talent division. In 2009, she landed her first regular radio gig as host of Web Raji@Dengeki Bunko, and in 2011, she transferred to animation division of Space Craft due her interest in becoming a voice actress. On March 12, 2016, Sumire received the Best Rookie Actress award in the 10th Seiyuu Awards. She has also been a member of the seiyuu unit ".lady." since 2014.

Sumire is fluent in Russian and loves the Soviet culture, which she became interested in after hearing the State Anthem of the USSR in her first year of high school. In April 2010, Sumire entered the Faculty of Foreign Studies at Sophia University, and she majored in the Russian language there.

Sumire is interested in history and war figurines, particularly Russian/Soviet history, the Showa era, and likes the book Romance of the Three Kingdoms. She also has had a strong interest in games, anime and manga ever since she was a child. Her other interests consists of photography, lolita fashion-- she works as a lolita model-- and drawing, which she is quite good at. She also loves rock and heavy metal; her favorite bands are Metallica, Judas Priest, Black Sabbath, Dragonforce, and Kinniku Shoujo Tai. Additionally, Sumire is very good friends with fellow seiyuu [Sachika Misawa](https://anilist.co/staff/102337/Sachika-Misawa), who has called Sumire "her waifu".

**Non-anime roles:**
- Rosalie - Memento Mori (VG)
- Exia - Goddess of Victory: Nikke (VG)
- Drake - Goddess of Victory: Nikke (VG)

Shannon Emerick is an American stage actress and voice actress. She is a graduate of Yale University having a B.A. in theatre studies and English. Shannon is also an accomplished anime voice actress working with ADV Films and Seraphim Digital.

They've already had their bodies swapped like musical chairs, had their ages changed at random and experienced their deepest desires taking control of them without warning, but if you thought Heartseed was finished with Taichi, Iori, Himeko, Yoshifumi and Yui, you've got another thing coming! Now there's a new affliction going around, and the name of this peculiar bug is emotion sickness. As in, suddenly your emotions jump out of your body and sick someone else! Needless to say, that's more than simply awkward if you've got a deep rooted phobia like a fear of men or repressed emotions that you've been trying to keep hidden, but in some situations it can literally be deadly! What is Heartseed up to this time, and why is he making our heroes involuntarily share their innermost dirty laundry? 
 
(Source: Sentai Filmworks)

5 boys and girls full-shuffled! 5-way love pentagon comedy! At clubhouse room 401, there gathers "anything goes" members of the culture study society. Pro-wrestling otaku Taichi Yaegashi, mysterious beauty Iori Nagase, cool Himeko Inaba, the clown Yoshifumi Aoki and fancy-loving Yui Kiriyama found the noisy but calm days suddenly come to a halt. The personality switched among the members--. The unnatural days of changinging into "someone" by getting back to "themselves" by becoming "someone else" has started!

Kaoru Setouchi