Choujin Tensei Is A New Hand-Drawn Classical Style JRPG  Dungeon Crawler.

 You Play As A College Student That One Day  Receives A Letter From A High-School Friend Named Frederic, Begging You To Come  To Visit Him In His New Mansion On The Country Side. You Neglected The Call For A While But Goes There On A Spring Hollyday, Just To Find The Mansion Abandoned Like If No One Lived There. 

Get Allies, Fight, And Above All, Trie To Find The Answer To Frederic's Sudden Disappearance.

Play It Here -> Choujin Tensei by Frances (itch.io)