My Anime Shopping Tree & My Cold Prodigy Wife! Novel

Mysterious death and failed vengeance marked Lloyd Ferrum's first life in Riverio. Reborn on Earth, he earned a Nobel in Military Engineering, dying peacefully at 80. Now, he’s back as his 19-year-old self in Riverio, years before his family's annihilation. Married to a cold, talented prodigy while he himself is seen as below average, Lloyd gains the 'Shopping Tree' system. He begins buying incredible, anime-like powers, determined to create his own legendary fantasy.