Tensei-saki ga Zannen Ouji Datta Ken: Ima wa Fukkin 1-kai mo Dekinai kedo Yasete Isekai Sukuimasu
転生先が残念王子だった件 ～今は腹筋１回もできないけど痩せて異世界救います～
A man dies in a plane crash and is reborn in another world after being tasked by a goddess to defeat an evil god. He is reincarnated as a prince who is overweight and considered unattractive, earning the nickname "Pig Prince" among the nobility. He is physically weak and unable to perform even a single sit-up, raising doubts about his ability to fulfill his mission. The story follows his efforts to lose weight and improve himself.