Fastening Days 3(2017)

Fastening Days 3 is an animated series following Yoji, Kei, Kelly, and their bear-shaped robot companion Oscar as they defend their town from danger. On Yoji's birthday, an out-of-control sightseeing airship threatens the city, forcing the young heroes into their most intense battle yet. While Yoji seems indifferent to the day's significance, his friends and Anna, who raised him, have secretly prepared something special. The team must deploy an evolved Fastening Machine to save their community and secure Yoji's future. Packed with action and heart, the episode balances high-stakes drama with the personal stakes of a birthday that might change everything.