Shiranai Onee-san ga Bokura no Himitsu Kichi ni Yattekita! | A Random Lady Showed Up At Our Secret Base!

Shiranai Onee-san ga Bokura no Himitsu Kichi ni Yattekita! | A Random Lady Showed Up At Our Secret Base! cover

[ひかげもん (てんぴぼし)] 知らないお姉さんが僕らの秘密基地にやってきた! [英訳]