(Internet) follow / follow-up; subsequent action or treatment / (golf) a tailwind, wind blowing in the same direction as the shot

to defend; to look after (someone); to assist; to supplement; to compensate for another's short-comings / (Internet) to follow / (sports) to rebound; follow up (a shot etc.)

悟入: entering a stage of enlightenment (such as with Buddhism)

暗中: the situation in the dark

円柱: cylinder; column

爬虫: reptile

(slang) going to or being graduated from the same middle school (中学校)

(archaic) Short for と言う (to iu):

a squeak (sound made by mice) / a chirp (sound made by small birds) / sound made by sucking liquid

(somewhat childish) a kiss