Vol 1: ★★★★☆
Vol. 2: ★★★★★
Vol. 3: ★★★★★
Vol. 4: ★★★★★
Vol. 5: ★★★★★
Vol. 6: ★★★★★
Vol. 7: ★★★★★
Vol. 8: ★★★★★
Vol. 9: ★★★★★
Vol. 10: ★★★★★

I feel like this series just gets nearer and dearer to my heart with every single volume, and right now, I'm just so sad that I've finally reached the point where I have to wait on a new volume!