My Soul Is an Old Man

Here’s a concise brief description you can use for either title (My Heart Is an Old Man / My Soul Is an Old Man):

Haruka Yamagishi lived a lonely and empty life, drifting between work and home with no family or friends to care about. But everything changes when he suddenly awakens in another world—only to discover he has been reborn as a beautiful dark elf! Gifted with limitless magical power and a strong new body, Haruka sets out on a fresh journey where anything seems possible.

Through new friendships and the trials of an adventurer’s life, Haruka begins to rediscover the meaning of living. From traps and battles to heartwarming bonds, this is the story of a man who once gave up on life, now learning what it truly means to live again.