Kemeko Deluxe!

Chaos descends upon the seemingly ordinary life of high school student Sanpeita when a mysterious, heavily armored robot girl named Kemeko suddenly appears and declares herself his fiancée. This bizarre introduction is only the beginning, as Kemeko moves into his home and begins disrupting his daily routine with her eccentric behavior, superhuman strength, and penchant for accidental destruction. As Sanpeita tries to unravel the mystery behind Kemeko's arrival and her unwavering claim, he finds himself caught in a whirlwind of escalating antics. With strange organizations taking an interest in Kemeko and his childhood friend, Izumi, growing increasingly suspicious, Sanpeita's once-mundane existence is irrevocably transformed into a hilarious and unpredictable adventure.

✦ AI-drafted summary