Recommendations: the melody of jdramas

One of the aspects that made me fall in love with japanese dramas were  the instrumentals which perfectly blend with the scene they are played in. These are some jdramas I recommend based on their soundtrack, and my favorite instrumentals from each:

Kimi wa Petto  - Like someone in love
Last Cinderella  - Lonely, comp. by Takashi Hanzawa
Hotaru no Hikari - Small firefly, comp. by Kanno Yugo
Hana Kimi - Ikemen Boogie Nights, music by Kono Shin, Takami Yu
Sora Kara Furu Ichioku no Hoshi - End Theme, comp. by Yoshimata Ryo
Love Generation - True True (guitar version), comp. CAGNET
Hana Yori Dango - Kizuna comp. by Yamashita Kosuke
Boku, Unmei no Hito desu - For You (piano ver.), comp. by Hayashi Yuki
5-ji kara 9-ji made - fall, comp. by Habuka Yuri
Dear Sister - Lonesome, comp. by Omama Takashi
Family's Form - Unpredictable Story ~Something Precious~, comp. by Omama Takashi