Does anyone have any favorite extremely underrated songs?

Some of mine are:

Filozofio (Pandolist-P)

Mirareru Mirror (Namitape)

Utopia (Quasar-P)

Cracke[R] (Miwashiba)

Please die with me (Usahara Kyomuko)[and any Usahara Kyomuko song]

L'azur (Electrocutica)

Optimist Liar (Meddmia)