(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

brush pen; fudepen (ink pen that that mimics the feel of a traditional brush)

(calligraphy) the flow between two disconnected strokes

(literary) writing brush

first time using a brush / (by extension) first time doing something / (slang, by extension) man losing his virginity

Same as above

a stylus that produces depressions to create letters or marks