Read manga: Isekai Tensei Shitara Aiken Ga Saikyou Ni Narimashita: Silver Fenrir To Ore Ga Isekai Kurashi Wo Hajimetara

manga
Summary:

Takumi is a salaryman who spends his days working overtime.One day, he wakes up in a deep forest. And in front of him is a huge wolf-"this is Leo, the dog I had (Maltese) !?"His dog, which turned into the strongest demon beast, Silver Fenrir, and the mysterious ability of "weed cultivation" given to Takumi…The goal of two cheats is --- slow life!