I’m Not Serious Yet

You are reading I’m Not Serious Yet manga, one of the most popular manga covering in Adventure, Comedy, Fantasy, Harem, Romance, Slice of life genres, written by Miki nazuna IMNSY at MangaMirror, a top manga site to offering for read manga online free. I’m Not Serious Yet has 12 translated chapters and translations of other chapters are in progress. Lets enjoy.
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Weird development where the main character, who is the fourth son of a noble household and is called the stain of nobility, has to inherit the house because his three brothers were conveniently in the same party and all died to a meteorite apparently. The older sister who's left disowns herself and instead registers herself as his foster daughter and now she calls him dad all to get the him to head the house and have him demonstrate his true ability.