3-gatsu no Lion

From Denpa: Rei Kiriyama is a child prodigy. Rei Kiriyama is also an orphan who lives alone in an empty apartment. Rei Kiriyama is a teen working in an adult world. Life is complicated for Rei. He's an up-and-coming shogi (Japanese chess) player on the verge of turning pro but he has no home life or much of a life period outside his board game but thankfully with the help of some life-long friends he has an opportunity to start all over again. Note: Nominated for the 2nd Annual Manga Taishou in 2009 and won the award in 2011. Won the Kodansha Manga Award in the general category (shared with ) in 2011, the Grand Prize at the 18th Tezuka Osamu Cultural Prize in 2014 and the 24th Japan Media Arts Festival Awards Grand Prize in 2021.