Michikatsu Tsugikuni's Departure

Big Brother: My name is Tsugikuni Iwakatsu. My younger brothers are Enichi and Madara, and my younger sister is Nanami. I'm the weakest in the family, and I'm about to run away from home!

Second-born Enichi: ...

Third-born Madara: Big Brother, you?

Fourth-born Nanami: ...?

Also known as:

"Get Stronger or Go Home and Inherit the Position of Family Head"

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"What's Wrong with Tsugikuni Big Brother, Who Brags About His Younger Siblings to Everyone He Meets?"

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"I'm the Eldest Brother in the Family, Yet the Weakest One. What Could Possibly Be Wrong? A Journey of Training Away from Home"

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"I'm the Eldest Brother of the Tsugikuni Family. I Thought I Was the Weakest at Home, So I Was Getting Ready to Run Away. But When I Got Back, I Found the House Empty, and Had No Choice but to Inherit the Family Business"

Theme: Get stronger or go home!