YuSigma's manga / #yamamoto kotetsuko(25)

Ano Hi No Kimi Wo Dakishimeta Nara

Complete | Sakiya Haruhi,Yamamoto Kotetsuko | 2008 released

Toritan

Complete | YAMAMOTO Kotetsuko | 2017 released

Brothers Plus

Ongoing | YAMAMOTO Kotetsuko | 2012 released

Ashita wa Docchi Da!

Ongoing | Yamamoto Kotetsuko | 2015 released

Warau Oni ni wa Fuku Kitaru

Complete | Yamamoto Kotetsuko | 2000 released