His Romance of 500 Years(2010)

500-nen no Itonami

"Sorry I'm not at all like him... I love you". Torao Yamada commits suicide after learning his lover passed away. However, he wakes up in the future and learns he was cryogenically frozen for 250 years. The android that takes care of him is nice, but is a version of his past lover that is "lacking by 30%"... This is a sad and futuristic story about a hard-headed young man who seeks out love.

(Source: Renta!)

Note: Includes one extra chapter.