Hoshi no Suna Monogatari 3

The third installment of the Hoshi no Suna Monogatari series marks the first time Gengorou Imai is not the protagonist (though he makes a cameo). Instead, players take on the role of 23-year-old Mine Takaishi, a college dropout due to a disagreement with a teacher. Now impoverished, he works as a tutor, and luckily, one of his students comes from a wealthy family. She is sent to a trendy seaside boarding house owned by relative Uminoya, and Mine accompanies her as her private tutor. Several relatives are also staying there until one of them, the owner's younger brother, suddenly falls ill after dinner. Rushed to the hospital, Mine begins investigating the boarding house and its surroundings, suspecting foul play. A detective adventure with mature themes.