Younger Sister Training System – My Younger Sister’s Growth Is the Key to for Me to Become the Strongest in the Other World!

Younger Sister Training System – My Younger Sister’s Growth Is the Key to for Me to Become the Strongest in the Other World!
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Type
Web Novel [JP]
Genre
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AcademyEuropean AmbienceGame ElementsHeartwarmingLevel SystemMagicMale ProtagonistMob ProtagonistR-15Sibling's CareSystem AdministratorYounger Sisters
Rating | 4.7/5 | 387 votes
Language
Japanese
Author(s)
Year
2024
Status in COO

ongoing

Licensed
No
Fully Translated
Yes
Original Publisher
Summary
Ren Tsukishiro, an ordinary university student, is reborn in a new world with his adorable younger sister, Lilia Sylphid. A mysterious system ties their fates together - his strength depends on her growth. As he navigates challenges to make her happy, Ren transforms into the most formidable being. But why is the system fixated on his sister's development? Unveil the hidden truth in this captivating tale of sibling bonds and ultimate power.

Description

Ren Tsukishiro, an ordinary university student, found himself reincarnated in another world. There, he encounters his lovely younger sister, Lilia Sylphid.

The mysterious system recognises her as his ‘younger sister’, without her growth, he cannot grow up either. As he struggles to make his sister smile, he gradually becomes the most powerful being in the world.

However, why was the system so obsessed with the growth of his younger sister? A vital secret lies hidden that could shake this different world –

In order to become the strongest, there’s no other choice but to train a younger sister

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