regret, reflect on one's actions, contemplate, search one's conscience

half a lifetime

lakeside; lakeshore

(Internet slang) fixed screenname; screenname that someone uses habitually

super- / ultra- / hyper- / extremely / very / exceedingly / excessive / over- / beyond / transcendent

(onomatopoeia, informal) flowing thickly

(Kansai) how

(Kansai) what kind

The hiragana syllable ど𛅒 (dwo). Its equivalent in katakana is ド𛅦 (dwo).

a doss-house, cheap lodging, a flophouse, especially in a skid row area or slum / a hangout or meeting place for criminal gangs