Kindan Dekiai Mahiro & Takumi (Eternity Bunko Eternity Books Rouge) [Light Novel]

[Machine Translation] Mahiro became the sister-in-law of Takumi, a sergeant at Yuasa Pharmaceuticals, as a result of her parents' marriage. Since then, her brother-in-law has been treating her with a possessive attitude. Mahiro's brother-in-law continued to disturb her, and when she started working, she terminated her adoption with her stepfather and quietly left her parents' home. When Takumi learns of this, he is furious and storms into her room. This sweet and sad eternal love story between a selfish brother-in-law and a sister-in-law who can't be honest with him includes an extra chapter written exclusively for the bunko!

親同士の結婚により、湯浅製薬の御曹司・巧の義妹となった真尋。以降、彼女は義兄から独占欲を滲ませた態度を取られるように。そんな義兄に心を乱され続けた真尋は、就職を区切りに義父との養子縁組を解消し、ひっそりと実家を出た。その事実を知った巧は大激怒で彼女の部屋に押しかけ、「赤の他人になったのなら、もう遠慮しない」と、甘く淫らに懐柔してきて...。俺様義兄と素直になれない義妹の甘く切ないエターナル・ラブ、文庫だけの書き下ろし番外編も収録!