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This is Screwed Up, but I Was Reincarnated as a GIRL in Another World!

Yoku Wakaranai keredo Isekai ni Tensei Shiteita you desu
よくわからないけれど異世界に転生していたようです
잘 모르겠지만 이세계에 전생한 것 같습니다
Chuyển sinh thành con gái, tôi sẽ sinh tồn tại dị giới
Saya tidak begitu mengerti, tapi sepertinya saya bereinkarnasi di dunia lain
Не совсем понимаю, но похоже, что я переродился в другом мире
ไม่ค่อยเข้าใจหรอกค่ะ แต่เหมือนจะมาเกิดใหม่ในต่างโลกซะแล้ว
稀里糊涂异世重生
雖然不太清楚,不過我好像轉生到異世界了

Adaptation

novel
I am cute, but I was a middle-aged researcher in my previous life?!
Surviving in another world with magic and sciences!!
The orphan Ren was riding the carriage after being sold, when she got involved into an accident, and got her previous life's memories back!
"I was... a middle-aged man!"
Indeed, she was a researcher in his thirties in her previous life, and had been living as an orphan girl up to now!
Ren will make use of her talents in magic and knowledge in science to survive in this harsh world in order to escape from the investor who bought her!