• Book Name: The adventure of boy with a mind of a middle aged man Manga
• Alternative(s): KARADA WA JIDOU, NAKAMI WA OSSAN NO NARIAGARI BOUKENKI; 身体は児童、中身はおっさんの成り上がり冒険記; 身体是儿童, 心是中年男士的历险记
• Genre(s): Fantasy Isekai
• Author(s): 力水
• Status: Ongoing Download Manga
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Summary: A nimble old man, Sagami Shirabe, has reincarnated into a body of a young boy with overpowered ability. However, he has reincarnated into a poor noble family, with a violent mother. On top of that, he gets exiled from the territory at 13... so now he is stuck in a weird situation. "If that's the case, how about I just explore this world?" or so he thought. With his abilities and past knowledge, he starts his adventure!