

セイレン
For high school students like Shouichi Kamita, university entrance exams and the future are common concerns. It is also during this time in life that a mysterious emotion that vexes people of all ages may begin to weigh upon one's mind—love. At this point in his teenage years, Shouichi finds three girls he could see himself having a future with: the ever-cheerful Hikari Tsuneki, who teases Shouichi without mercy, but actually has a softer side; the competitive gamer, Tooru Miyamae, who has diff...
Three girls, one heart—watch a teen navigate love’s tangled corridors before adulthood arrives.
Shōichi Kamita is a typical senior, juggling cram sessions, looming entrance exams, and the sudden, bewildering stir of first love. When the school year reaches its climax, three very different girls catch his eye, each pulling him into a distinct emotional orbit. Hikari Tsuneki is a radiant, teasing classmate whose bright smile masks a surprisingly tender heart; her playful banter constantly pushes Shōichi to confront his own insecurities. Tooru Miyamae, a fierce gamer with a razor‑sharp competitive edge, hides behind a stoic exterior, struggling to articulate the feelings that surface when she finally lets someone see past her avatar. Then there’s Kyōko Tōno, Shōichi’s longtime friend, a whimsical manga aficionado whose immaturity often erupts in dramatic flair, yet whose loyalty runs deep. The series unfolds in three self‑contained arcs, each dedicated to one of these relationships, allowing the narrative to explore the nuances of youthful affection without the usual harem chaos. As exams loom and futures diverge, Shōichi must decide whether to chase a single path or remain adrift among possibilities, while the girls each learn to voice the desires they’ve kept hidden. Through its slice‑of‑life lens, Seiren captures the bittersweet transition from adolescence to adulthood, offering a gentle yet honest portrait of first love’s triumphs and missteps.
Seiren is an omnibus-style high school romance following one boy's separate relationships with three different girls across alternating arcs. It features mild fan service and romantic tension but no explicit content, making it a relatively tame entry in the harem genre suitable for young teens.
Seiren has 12 episodes.
Seiren is currently finished airing.
Seiren was produced by Studio Gokumi, AXsiZ.
Seiren aired Jan 6, 2017 to Mar 24, 2017.
Seiren is based on a Original.
Seiren is an omnibus-style high school romance following one boy's separate relationships with three different girls across alternating arcs. It features mild fan service and romantic tension but no explicit content, making it a relatively tame entry in the harem genre suitable for young teens.
PV Kyouko Touno version
PV Hikari Tsuneki version
PV 1
Character PV Tooru Miyamae version
Character PV Tomoe Kamita version
Character PV Ruise Sanjou version

Kamita, Shouichi
Main
CV: Tamaru, Atsushi

Miyamae, Tooru
Main
CV: Shimoji, Shino

Touno, Kyouko
Main
CV: Kimura, Juri

Tsuneki, Hikari
Main
CV: Sakura, Ayane

Hiyama, Miu
Supporting
CV: Izawa, Shiori

Kamita, Tomoe
Supporting
CV: Numakura, Manami

Kamizaki, Makoto
Supporting
CV: Mikami, Shiori

Kikuchi, Youko
Supporting
CV: Fujii, Yukiyo

Maruishi, Touka
Supporting
CV: Nagatsuma, Juri
Miyamae, Souta
Supporting
CV: Tone, Kentarou

Nagasawa, Shiori
Supporting
CV: Asakawa, Yuu

Nanasaki, Ikuo
Supporting
CV: Asari, Ryouta

Onigata, Masami
Supporting
CV: Tamura, Yukari
President Wangel
Supporting
CV: Inada, Tetsu

Sanjou, Ruise
Supporting
CV: Kuroki, Honoka

Sanjou, Rin
Supporting
CV: Aizawa, Saya

Takato, Yukie
Supporting
CV: Fujita, Saki

Tatsuya, Araki
Supporting
CV: Eguchi, Takuya

Tokioka, Nao
Supporting
CV: Harada, Hitomi

Uno, Koharu
Supporting
CV: Ootsubo, Yuka

Yoshida, Mako
Supporting
CV: Kadowaki, Mai
Yuki, Naotake
Supporting
12 episodes
Ranked higher than 54% of all anime on AniTome (out of 19,551)
More popular than 94% of all anime