Eiichi wanted to become a top shogi player and attended a shogi player training center run by the Japan Shogi Association. At the training center, he could not beat Riku, who is extremely talented in the game, and Eiichi eventually gave up on becoming a shogi player. To live a more normal life, he enrolled in a university. Because he spent most of his time playing shogi, he has a hard time adjusting to campus life. He does not have any friends at school. One day, Eiichi comes across an AI based shogi computer program. The computer program is more creative and stronger than he expected. This piques Eiichi interest in computer programming, specifically for shogi games. He visits an AI research club and meets senior student Isono. He learns about computer programming from Isono and makes a new goal for himself. Eicchi now wants to write a top shogi computer program. A few years later, Eiichi wins a computer shogi competition. He receives a request to play against Riku.
Hanaoka Nao’s mother Yuriko is a single parent and a live-in confectioner at Kogetsuan, a traditional Japanese confectionery shop of long standing. That is how Nao meets Takatsuki Tsubaki, the 6-year-old son of the owner of Kogetsuan, and they become each other’s first loves. However, Tsubaki’s father is stabbed to death by someone. Nao’s mother is arrested as the suspect based on Tsubaki’s statement. Nao is kicked out while her mother passes away while under interrogation. Now daughter of a murder suspect and son of the victim, Nao and Tsubaki separate with ill feelings for each other. More than 15 years later, Nao and Tsubaki are reunited at a competition on Japanese confectionery. Tsubaki takes an interest in Nao’s creations and asks her to marry him at their first meeting without realising that she is his childhood friend. Nao hides her true identity and decides to get into Kogetsuan through her marriage to Tsubaki in order to prove her mother’s innocence. Little does she know that all sorts of adverse circumstances lie in wait. Despite being made sport of by cruel fate, Nao and Tsubaki are drawn to each other. What is the truth of the case 15 years ago?
Kiriyama Rei is a 17-years-old shogi (Japanese chess) player. He debuted as a professional shogi player when he was in middle school. He lives by himself in Tokyo, because his parents and younger sister died in a traffic accident when he was little. One day, Kiriyama Rei meets three sisters who are his neighbours. The three sisters are Kawamoto Akari, Kawamoto Hinata and Kawamoto Momo. This is his first meeting with someone outside of the shogi world in many years. Having meals with the Kawamoto family brings warm feelings to Kiriyama Rei. As Kiriyama Rei continues his shogi career, his interactions with his neighbours allow him to grow as a shogi player and as a person.
Kiriyama Rei is a 17-years-old shogi (Japanese chess) player. He debuted as a professional shogi player when he was in middle school. He lives by himself in Tokyo, because his parents and younger sister died in a traffic accident when he was little. One day, Kiriyama Rei meets three sisters who are his neighbours. The three sisters are Kawamoto Akari, Kawamoto Hinata and Kawamoto Momo. This is his first meeting with someone outside of the shogi world in many years. Having meals with the Kawamoto family brings warm feelings to Kiriyama Rei. As Kiriyama Rei continues his shogi career, his interactions with his neighbours allow him to grow as a shogi player and as a person.
