Top 15 Japanese Mature Protagonist Novels

About the Reckless Girl Who Kept Challenging a Reborn Man Like Me

kohigashi nora, 小東のら

My Second Shot at Youth: A Lively Summer With My Loner Girlfriend

yūsaku igarashi, 五十嵐雄策

Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e

kinugasa shougo, 衣笠彰梧

The Villainous Daughter’s Butler ~I Raised Her to be Very Cute~

hiiro no ame, scarlet rain, 緋色の雨

The Civil Officer Can Have Sweet Dreams

suzuki lemon, 鈴木レモン

Akugyaku no Black Maria

nozuka isshou, 乃塚　一翔

I’m Not Even an Otome Game Mob Character

gyokuro, 玉露

The Witch and the Mercenary

chohokiteki kaeru

I Reincarnated as a Noble Girl Villainess But Why Did It Turn Out This Way? (WN)

sekimura imuya, 関村イムヤ

The Strange Adventure of a Broke Mercenary

mine, まいん

Omiai Shitakunakattanode, Muri Nandai na Jouken wo Tsuketara Doukyuusei ga Kita Ken ni Tsuite

sakuragi sakura, 桜木桜

I (30), Who Works for a Black Company and Died While Regretting My Gloomy Life, Started Over From High School!

yuzi keino, 慶野由志

Oukoku e Tsuzuku Michi

ofuro ashitsubo, yumizu kai, 湯水 快

Parallel World Pharmacy

takayama liz

The Results From When I Time Leaped to My Second Year of High School and Confessed to the Teacher I Liked at the Time (WN)

kennoji, ケンノジ