My Tiny Senpai — Even If We're Just Playing, He's My Kohai...

Ep 1 My Senpai Is Small and Cute Ep 2 Despite Appearances, I'm More the Big Sister Type Ep 3 Is This How I Look to You? Ep 4 When It Comes to Him, I'm Not Sure Yet... Ep 5 Shall We Go Somewhere Before We Head Home? Ep 6 I Can’t Resist My Instincts! Ep 7 You Sure You Don’t Want One? Ep 8 Isn’t It Time for Good Boys to Go to Sleep? Ep 9 He Wants to Talk Privately… Ep 10 Even If We're Just Playing, He's My Kohai... Playing Ep 11 Can I Give You a Big Hug? Ep 12 A Story About the Tiny Senpai Where I Work