A widow swarmed with younger men

Kirioka Kenji, the owner of Kirioka Fugu Branch, a long-established fugu restaurant that sells fugu cuisine, dies from fugu poison. His wife, Satsuki, couldn't hide his shock at the sudden incident. Furthermore, the store is on the verge of closing due to rumors as customers have been lost. Kenji's disciple Masaharu comes to Satsuki. Throwing at his passionate gaze, "We will definitely rebuild the store!", Satsuki handed over the renovation funds to Masaharu... But this was the beginning of all tragedy. The "poison" of the disciples slowly erodes Satsuki's body...