A socially awkward IT support technician in Bangkok who secretly loves a colleague named Nui. During a company winter trip to Hokkaido, he impulsively poses as her boyfriend after she suffers temporary amnesia from a skiing accident. He spends a meaningful day with her in Otaru, sharing intimate moments before confessing the deception when her memory returns. The experience ultimately helps him understand the value of fleeting, imperfect love.
Denchai harbors unspoken romantic feelings for Nui while working invisibly in the same office.
Explore the full interactive character relationship map of One Day