Browse Label 月刊少年シリウス

Cover for はたらく血小板ちゃん

はたらく血小板ちゃん

Cells at Work!: Platelets!

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Cover for クロックワーク・プラネット

クロックワーク・プラネット

Clockwork Planet

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獣の奏者

The Beast Player

Erin, a curious 10-year-old girl, lives with her mother Soyon, a skilled beast physician who cares for Tōda, powerful war-beasts revered as great serpents. When all the Tōda under Soyon’s care mysteriously die, she faces harsh judgment, leaving Erin to navigate the consequences of her mother’s fate. Rescued by Joun, a kind beekeeper, Erin begins a new life, learning about the natural world and her own resilience. Her encounter with a majestic royal beast, a symbol of the king’s authority, ignites her fascination with these creatures and their care. These early experiences, marked by loss and discovery, set Erin on a path to become a beast physician, driven by her bond with the creatures and her desire to understand their mysteries.

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Cover for 老後に備えて異世界で８万枚の金貨を貯めます

老後に備えて異世界で８万枚の金貨を貯めます

Saving 80,000 Gold in Another World for My Retirement

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Cover for デキる猫は今日も憂鬱

デキる猫は今日も憂鬱

The Masterful Cat Is Depressed Again Today

Fukuzawa Saku, a 28-year-old office worker with zero domestic skills, lives a chaotic life until she adopts Yukichi, a stray kitten who grows into a giant, highly capable cat. Yukichi takes charge of cooking, cleaning, and even preparing Saku’s lunches, acting as her caretaker while she stumbles through her days. As Saku navigates her demanding job and relies on Yukichi’s surprising talents, this heartwarming tale blends humor, everyday life, and the unique bond between a hapless woman and her extraordinary feline companion.

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Cover for 絶対死なないステラ姫

絶対死なないステラ姫

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Cover for ポンコツ風紀委員とスカート丈が不適切なＪＫの話

ポンコツ風紀委員とスカート丈が不適切なＪＫの話

Kohinata Poemu, a free-spirited high school girl with a short skirt and bright hair, constantly clashes with Sakuradaimon Togo, an overly serious disciplinary committee member who enforces school rules with an awkward, bumbling charm. Despite their rocky start, Poemu discovers Togo’s hidden kindness, sparking an unexpected connection. Surrounded by a quirky committee crew, including the playful Hanako and stoic Vice President, this lighthearted tale blends comedy, romance, and the antics of school life as two opposites navigate their differences and growing feelings.

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Cover for ちいさな君と、こえを遠くに

ちいさな君と、こえを遠くに

Sota, a former vocalist of the popular band Eternal Red, transfers to a new high school as Kanata Fujinami, hoping for a quiet life after losing his singing voice. At a local community center, he meets Sora, an enthusiastic elementary school girl who dreams of becoming a voice actress and begs him for lessons. Reluctantly, Kanata begins coaching Sora in voice training, forming an unexpected mentor-student bond. Other young girls, inspired by Sora’s passion, join the lessons, creating a lively group dynamic. Their efforts lead to an opportunity to audition for an indie anime project, stirring new challenges and connections.

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Cover for レベル１だけどユニークスキルで最強です

レベル１だけどユニークスキルで最強です

Although I Am Only Level 1, but with This Unique Skill, I Am the Strongest

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Cover for 大雪海のカイナ

大雪海のカイナ

Kaina of the Great Snow Sea

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Cover for まじもじるるも

まじもじるるも

Shibaki Kota, a high school boy notorious for his perverted antics, stumbles upon a magical book that summons Rurumo, a demoted witch training to regain her status. Using magic tickets that grant wishes at the cost of his lifespan, Kota teams up with Rurumo, whose quiet demeanor hides her struggles. As they navigate his reckless desires and her quest to become a full witch, this quirky tale blends comedy, magic, and a bittersweet bond between an unlikely pair.

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Cover for 妖怪アパートの幽雅な日常

妖怪アパートの幽雅な日常

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Cover for 戦車椅子－ＴＡＮＫ　ＣＨＡＩＲ－

戦車椅子－ＴＡＮＫ　ＣＨＡＩＲ－

Tank Chair

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Cover for 実は俺、最強でした？

実は俺、最強でした？

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Cover for 浜村渚の計算ノート

浜村渚の計算ノート

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Cover for 将国のアルタイル

将国のアルタイル

Altair: A Record of Battles

In the vast and turbulent world of Rumeliana, young war orphan Tuğril Mahmut is the youngest Pasha in the Türkiye Stratocracy, driven by a fierce desire to protect his homeland from the looming threat of the neighboring Balt-Rhein Empire. When a mysterious assassination sparks tensions between the two nations, Mahmut finds himself at the center of a web of political intrigue, betrayal, and war. Armed with his eagle Iskandar and an unyielding resolve, he must navigate alliances, outwit enemies, and uncover the truth to prevent his country from falling into chaos.

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Cover for 時間停止勇者

時間停止勇者

Time Stop Hero

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Cover for ラストオーダー

ラストオーダー

Last Order

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Cover for 騎士王の食卓

騎士王の食卓

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Cover for 野球で戦争する異世界で超高校級エースが弱小国家を救うようです。

野球で戦争する異世界で超高校級エースが弱小国家を救うようです。

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Cover for ダンジョン・シェルパ迷宮道先案内人

ダンジョン・シェルパ迷宮道先案内人

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Cover for 夜桜四重奏～ヨザクラカルテット～

夜桜四重奏～ヨザクラカルテット～

Quartet of Cherry Blossoms in the Night

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Cover for ポーション頼みで生き延びます！

ポーション頼みで生き延びます！

I Shall Survive Using Potions!

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Cover for 少年の残響

少年の残響

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Cover for はたらかない細胞

はたらかない細胞

Cells NOT at Work!

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Cover for はたらく細胞ＷＨＩＴＥ

はたらく細胞ＷＨＩＴＥ

Cells at Work!: White Brigade

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人形の国

APOSIMZ: Country of Dolls

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Cover for 転スラ日記　転生したらスライムだった件

転スラ日記　転生したらスライムだった件

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