Manga & Anime:
- Official manga translation: VizMedia
- Fan translation: Mach 20 scans
- Anime subtitles: Funimation
- Anime English dub: Funimation
Manga extras:
- Terasaka’s pick-up profile (Vol 2)
- Muramatsu’s pick-up profile (Vol 6)
- Terasaka’s bio (Vol 6)
- Yoshida’s bio (Vol 10)
- Muramatsu’s bio (Vol 10)
- Hazama’s bio (Vol 13)
- Technology & Home Economics rankings (Vol 13)
- Itona’s bio (Vol 15)
- Facts about the tentacles (Vol 15)
- Terasaka & Hazama’s stats (Vol 15)
- Yoshida’s pick-up profile (Vol 16)
- Karasuma’s Report Card (Vol 16)
- Itona’s pick-up profile (Vol 18)
- Muramatsu’s stats (Vol 18)
- Yoshida & Itona’s stats (Vol 21)
Character Databook - Roll Book Time:
Graduation Album:
- Terasaka’s Character Profile
- Hazama’s Character Profile
- Muramatsu’s Character Profile
- Yoshida’s Character Profile
- Itona’s Character Profile
- Terasaka’s personal history
- Hazama’s personal history
- Muramatsu’s personal history
- Yoshida’s personal history
- Itona’s personal history
- Exam scores breakdown
- Valentine’s Day chocolates
- Yoshida’s dad
Korotans:
- Korotan A - Main story
- Korotan B - Main story
- Korotan B - Yoshida & Itona’s lessons
- Korotan C - Main story
- Korotan C - Yoshida’s fashion
- Korotan C - Hazama’s lesson
- Korotan D - Main story
- Korotan D - Muramatsu & Hazama’s lessons
- Korotan D - Hazama’s test taking advice
- Korotan D - Itona & Yoshida’s test taking advice
- Korosuu - Main story
- Korosuu - Hazama’s lesson
- Korosuu - Terasaka’s lesson