"Sono Hen no Kusa demo Kuttoke" to Tsuihou Sareta Munou Skill [Shokubutsugui] Mochi Tenseisha, Elf no Sato de Maboroshi no Shokubutsu o Tabete Musou Suru

"Just go and eat some of that grass over there," was what Aki, a reincarnated person, was told when he was banished from the Viscount Guinas Household because of his useless skill, [Plant Eater]. However to Aki, being banished was an opportunity for him to break free from the constrained life of a noble and enjoy his second chance at life. "Your stats have been drastically increased.", "Skill [Absorption] has been acquired." Aki's skill which should've 'only' allowed him to eat any vegetation, truly manifested after he ate various mythical plants, including a leaf from the World Tree itself. By using his skills, he became a legendary existence sought after by the whole country. After saving the elf girl Saras, he became the only human to gain the elves' trust. Brushing aside the nobles, royalty, and other people in power who wanted a connection with the elves, he became an existence that could represent the entire continent. As for the Guinas family and Aki's younger brothers who banished him, it became difficult for them to get a connection with the elves, and what's more is that they got themselves into a nasty predicament, but...

[from mangadex]