Motemote na Boku wa Sekai Made Sukucchaundaze (Naki) 4 (Kono Light Novel ga Sugoi! Bunko)

[Machine Translation] The youngest of the three, Mochizuki Shizuki, is a man with a medical condition who is always trying to seduce women regardless of their age or race. Even he had a line he shouldn't have crossed... "Riko, leave everything to your brother. Suddenly, he enters desire-beast mode, amoral and on the verge of committing a sex crime. She is on the verge of committing a sex crime! Shizuki's body and mind are falling apart, and the cause is her cat ears! ( What? ). Sosuke, I may have finally become a real pervert" "Gesan, you know... that's just from the beginning". The 4th volume of the popular series!

女と見れば年齢・種族を問わず口説きまくるビョーキ持ち・望月砕月。彼にだって、越えちゃいけない一線はあったのに――「莉子、お兄ちゃんにすべてを委ねなさい」「優沙、俺の子を孕んでくれ! 」――突然、欲望ビーストモードに突入、アンモラル上等! 性犯罪一歩手前状態に!! 身も心もボロボロになっていく砕月、原因は猫耳! (えっ)。「宗介、僕とうとう本物の変態になっちゃったかも」「ゲッさん、あのな・・・それは元からだ」。人気シリーズ第4弾!