Similar to 九平とねえちゃん

Gold Kingdom and Water Kingdom

Kū Neru Futari Sumu Futari

Scum's Wish

The Apothecary Diaries

Hope You're Happy, Lemon

Kisses, Sighs, and Cherry Blossom Pink

GE: Good Ending

Kubo Won't Let Me Be Invisible

I Made Friends with the Second Prettiest Girl in My Class

I Got Married to the Girl I Hate Most in Class

Guru Guru Pon-chan

Gleipnir (manga)