A mecha otaku is reincarnated into another world as Ernesti Echevarria, also known as Eru. In this world, huge humanoid weapons known as Silhouette Knights exist. Dreaming of piloting those…

Nagasumi’s in hot water after a beautiful, young mermaid named Sun saves him from drowning. The deep-sea sweetheart’s dad is a merman yakuza prone to executing anyone who learns his…